Academic literature on the topic 'Road work zones'

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Journal articles on the topic "Road work zones"

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Vrkljan, Joso, Miljenko Mustapić, and Antun Štimac. "Ekspertni pristup poboljšanju sigurnosti u zonama radova na cesti." Sigurnost 60, no. 3 (2018): 247–60. http://dx.doi.org/10.31306/s.60.3.2.

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SUMMARY: An ever-increasing volume of traffic on Croatian roads increases the volume of maintenance work. Road works negatively impact traffic mobility and road user safety, and also safety of the maintenance workers. Improving traffic mobility and safety is the key issue that all interested parties (planning and managing road works and those executing them) should address. Mitigation of negative effects is possible via certain expert system measures. Presented in the paper are the options provided by expert systems implemented in the road work zones as factors for improving road maintenance a
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Andjelkovic, Stefan, and Vladan Tubić. "Highway capacity in work zones – experiences in foreign conditions." Put i saobraćaj 66, no. 3 (2020): 49–58. http://dx.doi.org/10.31075/pis.66.03.07.

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Traffic management in the highway work zones is a challenge for all traffic engineers. Road work zones are one of the most significant problems for the normal realization of traffic conditions, which can cause various consequences that will greatly reduce capacity and reduce the level of service. On the sections in the work zone, bottlenecks appear, which result in congestion, ie. lead to an imbalance of traffic demand and road capacity. This paper provides an overview of the literature and foreign experiences and ways of regulating traffic in the work zones on the highway. Bearing in mind tha
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Alsultan, Saleh M., Fahad K. Alqahtani, and Khalid F. Alkahtani. "Health and Safety in Temporary Work Zone Road Construction Project in Saudi Arabia: Risks and Solutions." International Journal of Environmental Research and Public Health 19, no. 17 (2022): 10627. http://dx.doi.org/10.3390/ijerph191710627.

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Road project sites are dangerous and crash-prone, with many hazards that can cause injuries and can result in the deaths of road users or site-workers. Work zones for road construction or maintenance can potentially contribute to increasing these crashes. Many studies have addressed this issue; however, there is a lack of similar studies in Saudi Arabia. Therefore, this study contributes to developing safety practices for road work zones in Saudi Arabia by identifying, analyzing, and controlling the main risk factors. A survey approach was used to identify risk factors and potential countermea
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Nawaf M. Alshabibi, Nawaf M. Alshabibi. "Impact Assessment of Long-Term Work Zones in Arterial Roads on Commercial Activities in Dammam Metropolitan Area, Saudi Arabia." journal of King Abdulaziz University Engineering Sciences 29, no. 2 (2018): 19–36. http://dx.doi.org/10.4197/eng.29-2.2.

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This paper assesses the impact of long-term work zones in arterial roads on commercial activities in Dammam Metropolitan area. The study focuses on two cases of long-term work zones in arterials in two major cities in Dammam Metropolitan Area. The first case is a work zone with full lanes closure on Prince Mohamed Bin Fahad Road at the south east entrance of Dammam city. The second case is a work zone with full lanes closure on King Abdul-Aziz Road at the northern entrance of Al-Khobar City. Data collection relies on field survey including questionnaires to affected business owners and manager
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Paolo, Perco, and Dean Sar. "Driving Speed Behaviour Approaching Road Work Zones On Two-Lane Rural Roads." Procedia - Social and Behavioral Sciences 53 (October 2012): 672–81. http://dx.doi.org/10.1016/j.sbspro.2012.09.917.

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Trojanová, M., M. Margorínová, and A. Kowalska-Koczwara. "Quantification and Valuation of Travel Time Costs Due to Road Works in the Integrated System of Road Economic Evaluation." Civil and Environmental Engineering 15, no. 2 (2019): 166–73. http://dx.doi.org/10.2478/cee-2019-0020.

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AbstractSoftware ISEH (Integrated system of road projects economic evaluation) evaluates variants of road repair and maintenance technologies. The economic assessment is based on Cost Benefit Analysis indicators (net present value, internal rate of return, pay-back period and cost benefit ratio). According quantified indicators are determined order of repairs and maintenance of assessed road sections. The road works cause additional negative impacts to road users. The road repairs and maintenance create on road so-called work zones, which negative affect road users. One of the negative impacts
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Vignali, Valeria, Arianna Bichicchi, Andrea Simone, Claudio Lantieri, Giulio Dondi, and Marco Costa. "Road sign vision and driver behaviour in work zones." Transportation Research Part F: Traffic Psychology and Behaviour 60 (January 2019): 474–84. http://dx.doi.org/10.1016/j.trf.2018.11.005.

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Silveira, Renato, Sara Ferreira, Liliana Cunha, and Mario Rebelo. "Driver behavior on road work zones: a systematic review." Transportation Research Procedia 72 (2023): 1318–25. http://dx.doi.org/10.1016/j.trpro.2023.11.593.

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Zhang, Chi, Jihan Qin, Min Zhang, Hong Zhang, and Yudi Hou. "Practical Road-Resistance Functions for Expressway Work Zones in Occupied Lane Conditions." Sustainability 11, no. 2 (2019): 382. http://dx.doi.org/10.3390/su11020382.

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In order to create a practical road-resistance function for work zones under different lane occupation conditions, the expected speed of vehicles was calibrated in the work zone simulation model based on measured data, and simulation models were constructed for the closed half lane and the closed inside lane under different rates of trucks. Based on the statistical theory, the influence of significance of traffic volume and truck ratios for road resistance was analyzed, and a suitable truck ratio was found for the work zone. By using the optimal nonlinear fitting theory, the practical road-res
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Venugopal, Shyam, and Andrzej Tarko. "Safety Models for Rural Freeway Work Zones." Transportation Research Record: Journal of the Transportation Research Board 1715, no. 1 (2000): 1–9. http://dx.doi.org/10.3141/1715-01.

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Construction and maintenance work zones have traditionally been hazardous locations within the highway environment. Studies show that the accident rates during road construction are generally higher than during periods of regular traffic operations. The increase in the number of crashes may be attributed to ( a) general disruption to the flowing traffic due to sudden discontinuities caused by closed lanes, ( b) improper lane merging maneuvers, ( c) the presence of heavy construction equipment within the work area, ( d) inappropriate use of traffic control devices, and ( e) poor traffic managem
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Dissertations / Theses on the topic "Road work zones"

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Greenwood, Aaron Todd. "Development of alternative methods for delineating diverges in freeway work zones." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43709.

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Work zones are visually and physically complex environments, requiring that drivers maintain control of their vehicle and comprehend atypical and often discontinuous traffic control devices to safely navigate appropriate paths. Freeway diverges represent particularly difficult work zones areas. This thesis investigates current methods of delineating diverges in freeway work zones to determine important characteristics of these methods for future research. A virtual environment was constructed with two ramp geometries: a freeway continuing straight and one curving left. Still images of work zo
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Chatterjee, Indrajit Edara Praveen K. "Replication of freeway work zone capacity values in a microscopic simulation model." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/6287.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb. 12, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. Praveen K. Edara. Includes bibliographical references.
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Shaik, Nawaz M. "Improving traffic flow conditions for interstate work-zones evaluation of three traffic control devices /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/4260.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (July 11, 2006) Includes bibliographical references.
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Amado, Vanessa. "Knowledge discovery and data mining from freeway section traffic data." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5591.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2008.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on June 8, 2009) Vita. Includes bibliographical references.
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Adebiyi, Jeremiah. "An Enhanced Framework to Compute Road User Costs Associated with Construction Zones." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/etd/3966.

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The monetary quantification of inconveniences caused to the road users by ongoing construction activities is known as the Road Users Costs (RUCs). While the importance of RUCs is widely known, some highway agencies lack an appropriate methodology to compute RUCs. Thus, there is a need to develop a framework to compute RUCs that can be adopted quickly by highway agencies. This study reviewed existing literature and conducted a nationwide survey to identify and summarize the current practices of computing RUCs. It developed an enhanced framework and tool to compute RUCs that balances the effort
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Khanta, Pothu Raju. "Evaluation of traffic simulation models for work zones in the New England area." Connect to this title, 2008. http://scholarworks.umass.edu/theses/184/.

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Zaidi, Syed Muhammad Zaier Abbas. "Mobility and safety evaluation of integrated dynamic merge and speed control strategies in work zones." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4613.

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An already calibrated and validated VISSIM model for Simplified Dynamic Lane Merge System (SDLMS) in accordance with the real life work zone was modified with a VSL through Vehicle Actuated Programming (VAP) code. Three different logics were coded each for VSL alone, early SDLMS+VSL and late SDLMS+VSL. All these logics were fine tuned with several test runs before finalizing it for the final simulation. It is found through the simulation of above mentioned scenarios that for low and medium volume levels (V0500, V1000 and V1500), there is no significant difference between the Maintenance of Tra
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Jardaneh, Mutasem. "Optimal detour planning around blocked construction zones." Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4940.

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Construction zones are traffic way areas where construction, maintenance or utility work is identified by warning signs, signals and indicators, including those on transport devices that mark the beginning and end of construction zones. Construction zones are among the most dangerous work areas, with workers facing workplace safety challenges that often lead to catastrophic injuries or fatalities. In addition, daily commuters are also impacted by construction zone detours that affect their safety and daily commute time. These problems represent major challenges to construction planners as they
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Kang, Kyeong-Pyo. "Development of optimal control strategies for freeway work zone operations." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3822.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Includes bibliographical references (145-155). Also available online via the Digital Repository at the University of Maryland website (https://drum.umd.edu/).
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Adams, Michael Roy. "Development of a User Cost Estimation Procedure for Work Zones." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd860.pdf.

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Books on the topic "Road work zones"

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Ullman, Gerald L. Traffic Enforcement Strategies for Work Zones. TRANSPORTATION RESEARCH BOARD, 2013.

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M, Mahoney Kevin, National Cooperative Highway Research Program., National Research Council (U.S.). Transportation Research Board., American Association of State Highway and Transportation Officials., and United States. Federal Highway Administration., eds. Design of construction work zones on high-speed highways. Transportation Research Board, 2007.

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Maze, Tom. Synthesis of procedures to forecast and monitor work zone safety and mobility impacts. Center for Transportation Research and Education, Iowa State University, 2005.

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National Research Council (U.S.). Transportation Research Board. Meeting, ed. Roadway markings and traffic control in work zones. Transportation Research Board, National Research Council, 1986.

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A, Polivka Karla, Midwest States Regional Pooled Fund Program., and Midwest Roadside Safety Facility, eds. Safety performance evaluation of Minnesota's aluminum work zone signs. Midwest Roadside Safety Facility, University of Lincoln-Nebraska, 2002.

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Bligh, Roger P. Crashworthy work-zone traffic control devices. Transportation Research Board, 2006.

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Tracy, Scriba, Lomax Timothy J, and United States. Federal Highway Administration, eds. A primer on work zone safety and mobility performance measurement. U.S. Dept.of Transportation, Federal Highway Administration, 2011.

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Edara, Praveen. Estimation of traffic impacts at work zones: State of the practice. Virginia Transportation Research Council, 2006.

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Schneider, William H. Examination of factors associated in motorcycle crashes in work zones. Ohio Dept. of Transportation, Research & Development, 2013.

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Ullman, Gerald. Work zone intelligent transportation systems implementation guide: Use of technology and data for effective work zone management. U.S. Department of Transportation, Federal Highway Administration, Office of Operations, 2014.

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Book chapters on the topic "Road work zones"

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Přibyl, Pavel, Aleš Janota, and Juraj Spalek. "Mobile Telematics for Motorway Road Work Zones." In Communications in Computer and Information Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97955-7_11.

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Velcu-Laitinen, Oana. "Allow Your Tiny Genius to Roam Outside Your Comfort Zone." In How to Develop Your Creative Identity at Work. Apress, 2022. http://dx.doi.org/10.1007/978-1-4842-8680-7_7.

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Nguyen, Lan Chau, Tuan-Nghia Do, and Quoc Dinh Nguyen. "Characteristics and Remedy Solutions for a New Mong Sen Deep-Seated Landslide, Sapa Town, Vietnam." In Progress in Landslide Research and Technology, Volume 1 Issue 2, 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18471-0_29.

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AbstractLandslides govern the evolution of landforms and pose a serious threat across the globe, especially in mountainous areas. In the northwestern area of Vietnam, a deep-seated landslide occurred near the new Mong Sen bridge in Trung Chai commune, Sapa town, Laocai province. In October 2020, some serious cracks were observed above a natural slope near a road, which was under construction to connect the Noi Bai-Laocai highway to Sapa town. The crack area was divided into two zones. Since this phenomenon could not only cause loss of life but also damage to the properties located downhill, the construction was stopped until the slope was rehabilitated. In this study, geological investigations, laboratory tests, and stability analysis were conducted to understand the failure mechanism. The analysis results showed that cutting activities during the construction of the road contributed to the sliding of the sloping soil mass. The following rehabilitation works at the failed area were conducted: (1) removing the soil above the natural slope; and (2) constructing the retaining system, including ground anchors and soil nails to retain the remaining slope. Results of stability analysis demonstrated that the retained slope would be stable after treatment.
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Bidkar, Omkar, Shriniwas Arkatkar, Gaurag Joshi, and Said M. Easa. "Modelling Impact of Lateral Behaviour of Successive Vehicles on Traffic Safety for Regular and Work-Zone Roads." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7976-9_40.

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James, Simon. "How Did the Base Work?" In The Roman Military Base at Dura-Europos, Syria. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198743569.003.0028.

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We now consider how the military base area operated, as a zone where a large number of people lived and worked on a routine basis. On one hand, to function it required the affordances of its internal communications, connections with the civil town, and access to roads, river, and lands beyond the walls; on the other, there was a need for surveillance and control of activities within the base, and of movements across its boundary. The most obvious part of the base boundary (Plate XXII) is the substantial mud brick wall ploughed across four blocks from the city defences just S of Tower 21, and blocking Wall, A, C, and D Sts, with a gate established at B St. How the S boundary was defined E of D St has always remained an issue. If it was necessary to build a wall at the W end, why was this not simply continued all the way to, e.g., the S end of the Citadel? Across blocks F7 and F5 it seems that the boundary of the military zone simply comprised party walls between military and civilian-occupied structures. The same was true within block B2, by the Citadel, although the boundary probably comprised building frontages along Lower Main St. On the plateau, as the camp wall may have been a subsequent local enhancement, except where the amphitheatre formed part of it, the boundary may generally have comprised the rear walls of military-held houses lining the S side of 8th St—probably all properties from the city wall to H St. The course of the boundary along the W side of the inner wadi is unknown, but the base is suggested, as along 8th St, to have incorporated at least all properties lining the S side of the Wadi Ascent Road, if not encompassing all blocks on the wadi slope—in which case the boundary here may rather have comprised property frontages on K St. The base area was split by site topography into two major zones, the flat plateau, and the N branch of the inner wadi around the Citadel. Each was further subdivided.
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Santos, B., and L. Picado-Santos. "Impact assessment of road work zones in operating conditions, safety and user costs." In Pavement and Asset Management. CRC Press, 2019. http://dx.doi.org/10.1201/9780429264702-71.

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Rajshekhar Gopal Rathod, Dr, Aishwarya Desai, and Sagar Sonawane. "MICROSIMULATION MODELLING IN VISSIM ON EFFECTS OF TRAFFIC CONGESTION DUE TO CONSTRUCTION OF FLYOVER ON SINHAGAD ROAD IN PUNE, INDIA." In Futuristic Trends in Construction Materials & Civil Engineering Volume 3 Book 4. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bice4p4ch4.

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One of the most important aspects of a developing country is transportation, which is essential to ensure the development of metropolitan areas. In India, the number of vehicles has drastically increased due to the country's rapid population growth, urbanization, and improving living conditions. In India, There is a lot of congestion surrounding large urban areas. At intersections, traffic congestion has become a severe issue. In order to look into possible mitigation strategies for these intersections and work zone areas, a traffic simulation model is created that computes traffic flow characteristics and illustrates how congestions behave when certain traffic demands are placed on the system. A 2.75 km stretch of Pune's Funtime cinema to Rajaram Bridge was chosen for the investigation. By providing alternate routes, work zones can lessen the adverse effects of traffic congestion, which frequently result in increased congestion and delays for road users. The condition for traffic volume before and after the construction of the flyover is analysed using VISSIM, a traffic simulation programme. The expected outcomes would demonstrate that the suggested plan can significantly reduce delay time, Queue length, and traffic congestion, greatly enhancing the entire transportation capacity of Sinhagad road.
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Duggan, Robert. "‘Our close but prohibited union’: Sibling incest, class and national identity in Iain Banks’s The Steep Approach to Garbadale (2007)." In Incest in contemporary literature. Manchester University Press, 2018. http://dx.doi.org/10.7228/manchester/9781526122162.003.0009.

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The work of Iain Banks has been prominent in exploring the crossing of different kind of borders: national, aesthetic and generic, ontological, gender and class to name but a few. Banks has also been part of a wider preoccupation in contemporary Scottish writing to do with inhabiting border zones, where the border ceases to be an idealised geometric line with almost no width or physical extension, and instead broadens to become a site that one can reside in, the ground against which the figure emerges. The Bridge, along with The Crow Road (1992) forms the background of the chapter. This chapter will illuminate how The Steep Approach to Garbadale’s continuation of and departure from the border explorations and reflections on national identity of his earlier books is rendered through the crucial deployment of the motif of sibling incest in the novel.
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Shinde, Arvind, Suresh Iyer, Khushboo Jain, and Srilalitha Sagi. "Smart City and Village: Future Trends." In Artificial Intelligence for Smart Cities and Villages: Advanced Technologies, Development, and Challenges. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815049251122010005.

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The modern-day human efforts after the highly noteworthy advent of IT in every inch and space of activity have shown the human species having surrendered a lot of Artificial intelligence to machines. In the process of human computational skills and efficiency, the human species has created a huge smart network of gadgets and processes that control almost all the activities. The so-called smart city concept today is seen differently in various parts of the globe. Remote villages now with access to electricity and Wi-Fi are the next geographical zones that are earmarked for becoming a SMART village. India has a road map for smart city efforts. Digital India and Startup India are a few words that can inspire. But before a city/village gets smart, it needs a whole lot of support structures that need to be in place. This work presents the implementation of the smart city concept through a leading IT company Computer Maintenance Corporation to help launch a smart (Amanora) township at Pune. The observation that people are ready to pay for better service was evident in the sales of the 16,000 apartments/flats though a bit high on price. The work also involved studying a few smart township projects and the type of hardware and software available across the world and the insight gained through cost benefit analysis and more will be presented in the chapter.;
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"Working the Digital Silk Road: Alibaba’s Digital Free Trade Zone in Malaysia." In Digital Work in the Planetary Market. The MIT Press, 2022. http://dx.doi.org/10.7551/mitpress/13835.003.0011.

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Conference papers on the topic "Road work zones"

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Trček, Luka, Darja Šemrov, and Irena Strnad. "Motorway work zones capacity estimation using field data from Slovenia." In 6th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2021. http://dx.doi.org/10.5592/co/cetra.2020.1078.

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Work zones represent typical bottlenecks on motorway sections. Due to aging of Slovenian motorway network, roadworks and the corresponding delays are becoming a major issue. While the majority of roadworks is planned, it is not straightforward to predict the delays they will cause even with a good prediction of the traffic volumes. The problem is to determine the work zone capacity, which is affected by several work zone characteristics, road elements and traffic structure. Besides, the stochastic nature of capacity cannot be ignored, since the same traffic values can result in different traff
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Graf, Regine, Andreas Wimmer, and Klaus C. J. Dietmayer. "Probabilistic estimation of temporary lanes at road work zones." In 2012 15th International IEEE Conference on Intelligent Transportation Systems - (ITSC 2012). IEEE, 2012. http://dx.doi.org/10.1109/itsc.2012.6338764.

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Almallah, Mustafa Suhail, Qinaat Hussain, Wael K. M. Alhajyaseen, and Tom Brijs. "Improved Road Safety at Work Zones using Advanced Traveler Information Systems." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0243.

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Work zones are road sections where road construction or maintenance activities take place. These work zones usually have different alignment and furniture than the original road and thus temporary lower speeds are adopted at these locations. However, drivers usually face difficulty in adopting the new speed limit and maneuvering safely due to the change in alignment. Therefore, work zones are commonly considered as hazardous locations with higher crash rates and severities as reported in the literature. This study aims to investigate the effectiveness of a variable message signs (VMSs) based s
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Atahan, Ali Osman, Murat Buyuk, Gulay Malkoc, and Jose Diez. "Safety of road work zones: European and the U.S. perspective." In 6th Eurasphalt & Eurobitume Congress. Czech Technical University in Prague, 2016. http://dx.doi.org/10.14311/ee.2016.336.

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Liu, Shuo-Fang, Peng Ni, and Shiyu Wang. "Highway work zone warning system design based on drivers' requirements." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003825.

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With the full coverage of the highway network in each country, the workload of highway construction and maintenance is getting bigger and bigger. The establishment of highway work zones has brought a more complex road environment for motorists. A large number of injuries and fatalities occur in work zones, of which about 60% are estimated to be road drivers. Many accident analysis studies have also shown that these accidents are mainly caused by driver's own human factors and inadequate road safety facilities. In order to reduce the occurrence of these accidents, some advanced technologies are
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Wang, Juan, and Yajie Tang. "Modeling and Analyzing Road Capacity in Subway Work Zones Using Traffic Flow Organization Theories." In 19th COTA International Conference of Transportation Professionals. American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482292.500.

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Kim, C., M. Ostovar, A. A. Butt, and J. T. Harvey. "Fuel Consumption and Greenhouse Gas Emissions from On-Road Vehicles on Highway Construction Work Zones." In International Conference on Transportation and Development 2018. American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784481561.028.

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Akhtyamov, E. R., I. N. Kruchinin, and E. I. Kruchinina. "FEATURES OF ASPHALT COVERING DESIGNFOREST ROADS IN THE NORTHERN AND OF THE POLARURALS." In Modern machines, equipment and IT solutions for industrial complex: theory and practice. Voronezh State University of Forestry and Technologies named after G.F. Morozov, Voronezh, Russia, 2021. http://dx.doi.org/10.34220/mmeitsic2021_23-28.

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The main tasks of improving the crushed stone-mastic coatings of forest timber highways through the use of innovative road-building materials are considered. Such roads are characterized by the use of materials capable of meeting the basic requirements for transport and operational conditions in difficult natural and climatic conditions. The known road building materials are distinguished by the instability of their physical and mechanical properties. This causes significant difficulties both in the design and in the operation of forest timber roads made of these materials. Despite the complex
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Miklič, Katja, Gregor Pretnar, Matija Nose, and David Trošt. "Sustainable urban mobility plans for smaller communities." In 7th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2022. http://dx.doi.org/10.5592/co/cetra.2022.1436.

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Sustainable urban mobility plans are widely considered to be one of the most important and effective tools for transforming urban infrastructure from car-oriented to more inclusive, non-motorised modes and public transportation. As the name suggests, it was developed primarily for urban areas (larger cities), but the methodology itself can be useful for smaller communities and settlements as well. Southeastern Europe is typically a less densely populated area with few large cities compared to other parts of Europe. In the last 5 years, about 100 municipalities in Slovenia have developed and ad
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Sokolov, Evgeni, Evgeni Dimitrov, and Lilo Kunchev. "Experimental study on transport modes of heavy trucks." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf170.

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In the present work, a methodology has been developed that allows the study of some parameters of heavy truck traffic. The study uses typical road sections of the suburban road network in which they are determined by average speeds, average fuel consumption and their impact on environmental performance. Specifically, the study was performed on road infrastructure outside the settlements in Bulgaria. In the study, a road infrastructure is divided into three main groups – road infrastructure with roads of the first and second category, as well as highway ones. The research also takes into accoun
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Reports on the topic "Road work zones"

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Mathew, Jijo K. Speed Enforcement in Work Zones and Synthesis on Cost-Benefit Assessment of Installing Speed Enforcement Cameras on INDOT Road Network. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317639.

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Work zone safety is a high priority for transportation agencies across the United States. High speeds in construction zones are a well-documented risk factor that increases the frequency and severity of crashes. It is therefore important to understand the extent and severity of high-speed vehicles in and around construction work zones. This study uses CV trajectory data to evaluate the impact of several work zone speed compliance measures, such as posted speed limit signs, radar-based speed feedback displays, and automated speed enforcement on controlling speeds inside the work zone. This stud
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Sakulneya, Apidej, and Jeffery Roesler. Enhancing Construction Work-Zone Safety by Passive Pavement-to-Vehicle Communication. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-016.

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Construction work zones for roads pose significant safety challenges for drivers and workers, which can lead to accidents, injuries, fatalities, and property damage. Enhancing construction work-zone safety requires an understanding of the factors influencing accidents and fatalities and an evaluation of existing safety and traffic-management measures. The objective of this study was to improve work-zone safety for roadways, by connecting passive material sensing in the road with vehicle communication systems. A review of the main roadway work-zone safety literature found driver behavior, traff
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Nafakh, Abdullah Jalal, Franklin Vargas Davila, Yunchang Zhang, Jon D. Fricker, and Dulcy M. Abraham. Safety and Mobility Analysis of Rolling Slowdown for Work Zones: Comparison with Full Closure. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317380.

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There are times when the traffic lanes through a work zone must be kept clear for activities such as placing overhead beams, erecting overhead signs, and installing power lines, and other temporary roadway work activities. As an alternative to a full road closure, a rolling slowdown can typically provide up to 30 minutes to complete such activities without bringing approaching traffic to a complete halt. Using data from recent rolling slowdowns and full closures carried on the Indiana interstate network and a simulation approach, this study compares rolling slowdowns to full closures from safe
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Li, Howell, Jijo K. Mathew, Woosung Kim, and Darcy M. Bullock. Using Crowdsourced Vehicle Braking Data to Identify Roadway Hazards. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317272.

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Modern vehicles know more about the road conditions than transportation agencies. Enhanced vehicle data that provides information on “close calls” such as hard braking events or road conditions during winter such as wheel slips and traction control will be critical for improving safety and traffic operations. This research applied conflict analyses techniques to process approximately 1.5 million hard braking events that occurred in the state of Indiana over a period of one week in August 2019. The study looked at work zones, signalized intersections, interchanges and entry/exit ramps. Qualitat
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Sakhare, Rahul Suryakant, Jairaj Desai, Jijo K. Mathew, John McGregor, Mischa Kachler, and Darcy M. Bullock. Measuring and Visualizing Freeway Traffic Conditions: Using Connected Vehicle Data. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317751.

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Historically, a network of roadside sensors and cameras have been used to monitor freeway conditions. Although these systems are effective, they are typically not operational in and around work zones. Furthermore, it is often not financially viable to deploy in-road sensors and cameras in rural areas. Connected vehicle trajectory data has emerged as a viable source of data and provides a unique opportunity for monitoring freeways. This monograph describes how these connected vehicles can be used to directly measure queue lengths and travel times and this description is summarized in a graphica
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Kumar, Kaushal, and Yupeng Wei. Attention-Based Data Analytic Models for Traffic Flow Predictions. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2211.

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Traffic congestion causes Americans to lose millions of hours and dollars each year. In fact, 1.9 billion gallons of fuel are wasted each year due to traffic congestion, and each hour stuck in traffic costs about $21 in wasted time and fuel. The traffic congestion can be caused by various factors, such as bottlenecks, traffic incidents, bad weather, work zones, poor traffic signal timing, and special events. One key step to addressing traffic congestion and identifying its root cause is an accurate prediction of traffic flow. Accurate traffic flow prediction is also important for the successfu
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Coyner, Kelley, and Jason Bittner. Infrastructure Enablers and Automated Vehicles: Trucking. SAE International, 2022. http://dx.doi.org/10.4271/epr2022017.

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While automated trucking developers have established regular commercial shipments, operations and testing remain limited largely to limited-access highways like interstates. This infrastructure provides a platform or operating environment that is highly structured, with generally good road conditions and visible lane markings. To date, these deployments have not included routine movements from hub to hub, whether on or off these limited-access facilities. Benefits such as safety, fuel efficiency, staffing for long-haul trips, and a strengthened supply chain turn enable broader deployment which
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Padhye, Suyash, Isaiah Mwamba, Kyubyung Kang, Samuel Labi, and Makarand Hastak. Safety, Mobility, and Cost Benefits of Closing One Direction of the Interstate in Rural Areas During Construction Work. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317345.

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With specific regard to interstates in the rural area, Indiana Department of Transportation (INDOT) has expressed a need for research that sheds light on this Maintenance of Traffic (MOT) issue so the agency [INDOT and the contractor] can make informed decisions regarding the crossover sections versus the closure in one direction with detour roads. A number of studies have investigated the advantages and disadvantages of various MOT strategies; however, there is no specific study that can help INDOT traffic engineers and design engineers make decisions by comparing direct and indirect benefits
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Sakhare, Rahul Suryakant, Jairaj Desai, Jijo K. Mathew, et al. Evaluating the Impact of Vehicle Digital Communication Alerts on Vehicles. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317324.

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Traditional methods for communicating the presence of maintenance activities and work zones have been done with a variety of fixed signs. The increase of in-vehicle connectivity on our roads—either directly integrated into the vehicle or via an application running on a mobile phone–provides an opportunity for additional communication to motorists about the presence of emergency vehicles, maintenance activities, or work zones. Although the exact form of the in-vehicle communication is evolving and will continue to do so, a critical first step is to leverage the extensive telematics currently de
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Kamai, Tamir, Gerard Kluitenberg, and Alon Ben-Gal. Development of heat-pulse sensors for measuring fluxes of water and solutes under the root zone. United States Department of Agriculture, 2016. http://dx.doi.org/10.32747/2016.7604288.bard.

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The objectives defined for this study were to: (1) develop a heat-pulse sensor and a heat-transfer model for leaching measurement, and (2) conduct laboratory study of the sensor and the methodology to estimate leaching flux. In this study we investigated the feasibility for estimating leachate fluxes with a newly designed heat-pulse (HP) sensor, combining water flux density (WFD) with electrical conductivity (EC) measurements in the same sensor. Whereas previous studies used the conventional heat pulse sensor for these measurements, the focus here was to estimate WFD with a robust sensor, appr
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