Academic literature on the topic 'Congestion speed'

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Journal articles on the topic "Congestion speed"

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Verhoef, Erik T., Jan Rouwendal, and Piet Rietveld. "Congestion Caused by Speed Differences." Journal of Urban Economics 45, no. 3 (1999): 533–56. http://dx.doi.org/10.1006/juec.1998.2105.

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Clark, Timothy, and Sam Gray. "M7 to M2 Pre-congestion Speed Management." Journal of Road Safety 32, no. 4 (2021): 60–67. http://dx.doi.org/10.33492/jrs-d-21-00016.

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This paper explores the development and implementation of the M7 to M2 pre-congestion speed limit management trial conducted on workdays between 26th June 2018 and 31st December 2018. This trial was the first of its kind in NSW and was implemented using a live loop reporting system utilising key trigger values (specific loop metrics) to identify the opportune time to reduce speed limits prior to flow breakdown. Through measuring the rate at which speeds dropped during flow breakdown, the heatmap footprint of congestion, and the instance of congestion related crashes it was established the tria
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Captain, Gospel Otto, and Ipalibo Robert. "Models for Predicting Speed at Bottleneck Locations where the Flow Rate is Greater than the Bottleneck in Port Harcourt City." Models for Predicting Speed at Bottleneck Locations where the Flow Rate is Greater than the Bottleneck in Port Harcourt City 9, no. 1 (2024): 9. https://doi.org/10.5281/zenodo.10499914.

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Numerous measures are being implemented to address transportation challenges in Port Harcourt, a rapidly growing city with a high population in Nigeria. The city experiences heavy traffic congestion, especially on major link roads, leading to significant delays due to the bottlenecks caused by reckless parking, construction work, and other factors. To analyse speed at bottlenecks, experts apply the Lighthill Theory, a rigorous process determining speed. Bottlenecks refer to areas in the road network where traffic flow is hindered, resulting in congestion and decreased speeds. Accurately modell
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Jawhar, Ben Abed, Sinda Lâarif, Ali Mani Mohamed, and Mbarek Rachid. "COMPARISON OF HIGH SPEED CONGESTION CONTROL PROTOCOLS." International Journal of Network Security & Its Applications (IJNSA) 4, no. 5 (2012): 1 to10. https://doi.org/10.5281/zenodo.3540371.

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Congestion control limits the quantity of information input at a rate less important than that of the transmission one to ensure good performance as well as protect against overload and blocking of the network. Researchers have done a great deal of work on improving congestion control protocols, especially on high speed networks. In this paper, we will be studying the congestion control alongside low and high speed congestion control protocols. We will be also simulating, evaluating, and comparing eight of high speed congestion control protocols : Bic TCP, Cubic TCP, Hamilton TCP, HighSpeed TC
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Lim, Jongtae, Songhee Park, Dojin Choi, Kyoungsoo Bok, and Jaesoo Yoo. "Road Speed Prediction Scheme by Analyzing Road Environment Data." Sensors 22, no. 7 (2022): 2606. http://dx.doi.org/10.3390/s22072606.

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Road speed is an important indicator of traffic congestion. Therefore, the occurrence of traffic congestion can be reduced by predicting road speed because predicted road speed can be provided to users to distribute traffic. Traffic congestion prediction techniques can provide alternative routes to users in advance to help them avoid traffic jams. In this paper, we propose a machine-learning-based road speed prediction scheme using road environment data analysis. The proposed scheme uses not only the speed data of the target road, but also the speed data of neighboring roads that can affect th
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Gu, Yizhen, Chang Jiang, Junfu Zhang, and Ben Zou. "Subways and Road Congestion." American Economic Journal: Applied Economics 13, no. 2 (2021): 83–115. http://dx.doi.org/10.1257/app.20190024.

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We study whether subways alleviate road congestion by examining 45 subway line launches in China and by using detailed data on road speed. Our difference-in-differences estimation finds that in the first year after a subway line is launched, rush hour speed on nearby roads increases by about 4 percent. The effect is most prominent in initially congested roads and declines over distance to the new subway line. Evidence on road speed is corroborated with substitution patterns among modes of transportation. Using auxiliary data from Beijing, we calculate that the time savings for each automobile
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Hidayat, A. "Street Crowdedness and Urban Congestion Level by MAC and GPS Data." IOP Conference Series: Earth and Environmental Science 1353, no. 1 (2024): 012026. http://dx.doi.org/10.1088/1755-1315/1353/1/012026.

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Abstract Wi-Fi is one of the emerging technologies today. Wi-Fi refers to MAC (Media Access Control) address data. A MAC address represents a device number. In other words, it represents the number of people. The system uses MAC address data to determine road traffic congestion and land use, detects the number of terminals using a Wi-Fi scanner, and analyzes vehicle speed using GPS. The purpose of this research is to understand city-level services from traffic services and road congestion status and degree of congestion using Wi-Fi data (MAC addresses). This method was used for this study by p
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Akbar, Prottoy, Victor Couture, Gilles Duranton, and Adam Storeygard. "Mobility and Congestion in Urban India." American Economic Review 113, no. 4 (2023): 1083–111. http://dx.doi.org/10.1257/aer.20181662.

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We develop a methodology to estimate robust city-level vehicular speed indices, exactly decomposable into uncongested speed and congestion. We apply it to 180 Indian cities using 57 million simulated trips measured by a web mapping service. We verify the reliability of our simulated trips using a number of alternative data sources, including data on actual trips. We find wide variation in speed across cities that is driven more by differences in uncongested speed than congestion. Denser and more populated cities are slower, only in part because of congestion. Urban economic development is corr
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SUGIYANTO, Gito. "The Effect of Congestion Pricing Scheme on the Generalized Cost and Speed of a Motorcycle." Walailak Journal of Science and Technology (WJST) 15, no. 1 (2016): 95–106. http://dx.doi.org/10.48048/wjst.2018.2347.

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Traffic congestion is one of the significant transport problems in many cities in developing countries. Increased economic growth and motorization have created more traffic congestion. The application of transportation demand management like congestion pricing can reduce congestion, pollution and increase road safety. The aim of this research is to estimate the congestion pricing of motorcycles and the effect of a congestion pricing scheme on the generalized cost and speed of a motorcycle. The amount of congestion pricing is the difference between actual generalized cost in traffic jams and in
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Toan Trinh, Dinh. "Fuzzy-based quantification of congestion for traffic control." Transport and Communications Science Journal 72, no. 1 (2021): 1–8. http://dx.doi.org/10.47869/tcsj.72.1.1.

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This paper presents a methodology for appraisal of congestion level for traffic control on expressways using fuzzy logic. The congestion level indicates the severity of congestion and is estimated using speed and density, being the basic traffic parameters that describe state of a traffic stream. Formulation of the fuzzy rule base is made based on knowledge on traffic flow theory and engineering judgments. Field data on a segment of the Pan-Island Expressway of Singapore were used to estimate the congestion levels for three scenarios: single input variable (speed or density) and combined input
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Dissertations / Theses on the topic "Congestion speed"

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Jain, Saurabh. "Evaluation of explicit congestion control for high-speed networks." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1291.

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Shivarudraiah, Ranjitha. "STCP: A New Transport Protocol for High-Speed Networks." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/cs_theses/67.

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Transmission Control Protocol (TCP) is the dominant transport protocol today and likely to be adopted in future high‐speed and optical networks. A number of literature works have been done to modify or tune the Additive Increase Multiplicative Decrease (AIMD) principle in TCP to enhance the network performance. In this work, to efficiently take advantage of the available high bandwidth from the high‐speed and optical infrastructures, we propose a Stratified TCP (STCP) employing parallel virtual transmission layers in high‐speed networks. In this technique, the AIMD principle of TCP is modified
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Zhang, Yueping. "Stable and scalable congestion control for high-speed heterogeneous networks." Diss., Texas A&M University, 2008. http://hdl.handle.net/1969.1/85909.

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For any congestion control mechanisms, the most fundamental design objectives are stability and scalability. However, achieving both properties are very challenging in such a heterogeneous environment as the Internet. From the end-users' perspective, heterogeneity is due to the fact that different flows have different routing paths and therefore different communication delays, which can significantly affect stability of the entire system. In this work, we successfully address this problem by first proving a sufficient and necessary condition for a system to be stable under arbitrary delay. Uti
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Zhang, Hongyi. "Design and analysis of congestion control for high-speed networks." Thesis, University of Ottawa (Canada), 2001. http://hdl.handle.net/10393/6240.

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In this thesis, we first use the fluid flow modeling technique to build an end-to-end model and a hop-by-hop model for the high-speed networks respectively. We then use the control theory to design distributed rate-based traffic controllers to flow-regulate the best-effort service (e.g., ABR) traffic and guaranteed service traffic through a high-speed switch. The controllers are distributed among the source nodes and have a very simple structure. Their local controller at each source node is open-loop stable and only requires the knowledge of the queue length at the bottleneck switch. We say t
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Wang, Karen 1976. "2RegionRED : a congestion control mechanism for the high speed Internet." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/87177.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2002.<br>Includes bibliographical references (p. 125-127).<br>by Karen Wang.<br>S.M.
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Hirzalla, Nael B. "Congestion control of mechanisms for LANs interconnected through a high-speed backbone." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6800.

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In this thesis, we propose two novel congestion control mechanisms, specially designed for high-speed internetwork systems. These systems consist of a high-speed network which interconnects a few low-speed LANs. Proper coupling of subnetworks having a large difference in transmission speeds has been identified as one of the major challenges to overcome. The design of these control mechanisms is done by keeping in mind that a fair and simple control mechanism is necessary when dealing with high-speed communications systems. A performance evaluation of both mechanisms are carried out by simulati
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Edwan, Talal A. "Improved algorithms for TCP congestion control." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/7141.

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Reliable and efficient data transfer on the Internet is an important issue. Since late 70's the protocol responsible for that has been the de facto standard TCP, which has proven to be successful through out the years, its self-managed congestion control algorithms have retained the stability of the Internet for decades. However, the variety of existing new technologies such as high-speed networks (e.g. fibre optics) with high-speed long-delay set-up (e.g. cross-Atlantic links) and wireless technologies have posed lots of challenges to TCP congestion control algorithms. The congestion control
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Wood, Nicholas Stephen. "Assessing the marginal cost of freeway congestion for vehicle fleets using passive GPS speed data." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34798.

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This thesis examines the marginal cost of congested travel to a variety of businesses by observing time spent in congestion and estimating excess labor costs based upon the relevant value of time. The fleets in the scoping study represented commercial deliveries of goods and services, government agencies, and transit systems. Observations on limited-access expressways within the 13-county Atlanta metropolitan region were used in the analysis. Vehicles were monitored by using a passive GPS assembly that transmitted speed and location data in real-time to an off-site location. Installation a
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Jain, Saurabh. "LTCP-RC: RTT compensation technique to scale high-speed protocol in high RTT links." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2528.

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In this thesis, we propose a new protocol named Layered TCP with RTT Compensation (LTCP-RC, for short). LTCP-RC is a simple modification to the congestion window response of the high-speed protocol, Layered TCP (LTCP). In networks characterized by large link delays and high RTTs, LTCP-RC makes the LTCP protocol more scalable. Ack-clocked schemes, similar to TCP, suffer performance problems like long convergence time and throughput degradation, when RTT experienced by the flow increases. Also, when flows with different RTTs compete, the problem of unfairness among competing flows becomes worse
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Downey, Matthew Blake. "Evaluating the Effects of a Congestion and Weather Responsive Advisory Variable Speed Limit System in Portland, Oregon." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2397.

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Safety and congestion are ever present and increasingly severe transportation problems in urban areas throughout the nation and world. These phenomena can have wide-ranging consequences relating to safety, the economy, and the environment. Adverse weather conditions represent another significant challenge to safety and mobility on highways. Oregon is not immune from either of these global issues. Oregon Route (OR) 217, to the southwest of the downtown Portland, is one of the worst freeways for congestion in the state and is also subject to the Pacific Northwest's frequently inclement and unpre
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Books on the topic "Congestion speed"

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Winick, Robert M. Examining the speed-flow-delay paradox in the Washington, DC region: Potential impacts of reduced traffic on congestion delay and potential for reductions in discretionary travel during peak periods, final report. U.S. Federal Highway Administration, 2008.

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H, Schneider William. Application of bluetooth technology to rural freeway speed data collection. Ohio Dept. of Transportation, Research & Development, 2012.

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Carmen, Hass-Klau, ed. Civilised streets: A guide to traffic calming. Environmental & Transport Planning, 1992.

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United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials. Expanding passenger rail service: Field hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, first session, June 22, 2009 (Pittsburgh, Pennsylvania). U.S. G.P.O., 2009.

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United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials. Expanding passenger rail service: Field hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, first session, June 22, 2009 (Pittsburgh, Pennsylvania). U.S. G.P.O., 2009.

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Justiz, Austria Bundesministerium für. Bericht an den Nationalrat über Massnahmen zur Verfahrensbeschleunigung: (Entschliessung des Nationalrats vom 16.12.1992, E 84-NR XVIII GP). Der Bundesminister, 1993.

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Code, Michael A. Trial within areasonable time: A short history of recent controversies surrounding speedy trial rights in Canada and the United States. Carswell, 1992.

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Law Reform Commission of Canada. Trial within a reasonable time: A working paper prepared for the Law Reform Commission of Canada. Canada Communication Group, 1994.

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Spirig, Eugen. Prozessleitung (nach zürcherischem Prozessrecht). Juris, 1985.

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Rottleuthner, Hubert. Die Dauer von Gerichtsverfahren: Evaluation der ZPO-Vereinfachungsnovelle. Nomos Verlagsgesellschaft, 1990.

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Book chapters on the topic "Congestion speed"

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Makrucki, B. A. "Explicit Forward Congestion Notification in ATM Networks." In High-Speed Communication Networks. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3450-1_6.

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Fdida, Serge, and Harry Santoso. "Gateway Congestion Controls in High-Speed Backbone Networks." In High-Speed Communication Networks. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3450-1_8.

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Bazi, Kaoutar, and Bouchaib Nassereddine. "Congestion Control Management in High Speed Networks." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6893-4_49.

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Weerawardane, Thushara. "HSDPA Flow Control and Congestion Control." In Optimization and Performance Analysis of High Speed Mobile Access Networks. Vieweg+Teubner Verlag, 2012. http://dx.doi.org/10.1007/978-3-8348-8253-0_4.

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Gallager, Robert G. "Delay and Congestion in High Speed Integrated Networks." In Worldwide Advances in Communication Networks. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1355-5_20.

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Choi, Young-Soo, Sung-Hyup Lee, and You-Ze Cho. "Enhanced Congestion Control Algorithm for High-Speed TCP." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11577188_34.

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Kumar, Manoj, and Kranti Kumar. "Traffic Congestion Prediction Using Categorized Vehicular Speed Data." In Proceedings of the Sixth International Conference of Transportation Research Group of India. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4204-4_22.

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Weerawardane, Thushara. "Analytical Models for Flow Control and Congestion Control." In Optimization and Performance Analysis of High Speed Mobile Access Networks. Vieweg+Teubner Verlag, 2012. http://dx.doi.org/10.1007/978-3-8348-8253-0_5.

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Pombortsis, A., and I. Vlahavas. "Flow Control and Switching Strategy for Preventing Congestion in Multistage Networks." In Architecture and Protocols for High-Speed Networks. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-4536-8_5.

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Uma, S. V., and K. S. Gurumurthy. "Congestion Control by Heuristics in High-Speed Networks Using ANN." In Lecture Notes in Electrical Engineering. Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-1157-0_33.

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Conference papers on the topic "Congestion speed"

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Purkrábková, Zuzana, and Pavel Hrubeš. "Validity of Speed-Based Congestion Detection in Traffic Data." In 2025 Smart City Symposium Prague (SCSP). IEEE, 2025. https://doi.org/10.1109/scsp65598.2025.11037718.

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Cherrett, T. J. "The measurement of speed, journey time and queue status on non SCOOT controlled links." In IEE Colloquium on Urban Congestion Management. IEE, 1995. http://dx.doi.org/10.1049/ic:19951297.

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Park, Kyeongnam, Hojeong Lee, and Hyogon Kim. "Speed-Aware V2X Congestion Control." In 2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall). IEEE, 2023. http://dx.doi.org/10.1109/vtc2023-fall60731.2023.10333682.

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Kuize Zhang, Nan Xiao, Lihua Xie, Emilio Frazzoli, and Daniela Rus. "Convergence speed analysis for evolutionary congestion games." In 2015 10th Asian Control Conference (ASCC). IEEE, 2015. http://dx.doi.org/10.1109/ascc.2015.7244482.

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Jose, Lavanya, Lisa Yan, Mohammad Alizadeh, George Varghese, Nick McKeown, and Sachin Katti. "High Speed Networks Need Proactive Congestion Control." In HotNets-XIV: The 14th ACM Workshop on Hot Topics in Networks. ACM, 2015. http://dx.doi.org/10.1145/2834050.2834096.

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Gu, Y., D. Towsley, C. V. Hollot, and H. Zhang. "Congestion Control for Small Buffer High Speed Networks." In IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications. IEEE, 2007. http://dx.doi.org/10.1109/infcom.2007.125.

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Guowen, Xing, and Xue Shengjun. "Study on High-Speed Network Congestion Control Protocol." In 2009 WRI World Congress on Computer Science and Information Engineering. IEEE, 2009. http://dx.doi.org/10.1109/csie.2009.823.

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Shorten, Robert, Fabian Wirth, and Mehmet Akar. "On nonlinear AIMD congestion control for high-speed networks." In Proceedings of the 45th IEEE Conference on Decision and Control. IEEE, 2006. http://dx.doi.org/10.1109/cdc.2006.376782.

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Facchina, Caitlin, and Arunita Jaekel. "Speed Based Distributed Congestion Control Scheme for Vehicular Networks." In 2020 IEEE Symposium on Computers and Communications (ISCC). IEEE, 2020. http://dx.doi.org/10.1109/iscc50000.2020.9219562.

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Ko, Joonho, Randall Guensler, Michael Hunter, and Hainan Li. "Instrumented Vehicle Measured Speed Variation and Freeway Traffic Congestion." In Ninth International Conference on Applications of Advanced Technology in Transportation (AATT). American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40799(213)56.

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Reports on the topic "Congestion speed"

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COLUMBIA UNIV NEW YORK. Congestion Control of High-Speed Networks. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada267013.

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Sakhare, Rahul Suryakant, Howell Li, Jijo K. Mathew, Jairaj Desai, Deborah Horton, and Darcy M. Bullock. Indiana Interstate Speed Profiles 2018–2022. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317589.

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Systemwide interstate performance measures that detail hours and location of congestion on an interstate provide important information for decision makers to plan capital projects and assess operations. This report presents summary of mile-hours of congestion across 8 Indiana interstates and the Indiana toll road. Hours of operation by speed bins (0 to 14 mph, 15 mph to 24 mph, 25 mph to 34 mph, 35 mph to 44 mph, 45 mph to 54 mph, 55 mph to 64 mph, more than 65 mph) for every 0.1 mile of the interstates across a month were tabulated for every hour of every day during the month. The quantities
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Kalambay, Panick, and Srinivas Pulugurtha. Exploring Traffic Speed Patterns for the Implementation of Variable Speed Limit (VSL) Signs. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2318.

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Traffic congestion is a prevalent issue during peak travel hours on roads in the United States. This study focuses on identifying suitable road links in Charlotte, North Carolina, for implementing variable speed limit (VSL) signs. Real-world traffic speed data collected over one year was analyzed to identify specific road links with favorable characteristics for VSL sign installations. The analysis considered weekdays, weekends, and specific times of the day to capture variations in speed patterns. The results revealed that roads with lower speed limits consistently experienced speeds exceedin
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Sakhare, Rahul Suryakant, and Darcy M. Bullock. Indiana Interstate Speed Profiles 2020–2024. Purdue University, 2025. https://doi.org/10.5703/1288284317843.

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This report presents a graphical summary of monthly mile-hours of congestion across the 8 Indiana interstates (I-64, I-65, I-69, I-70, I-74, I-94, I-465, and I-469) and the Indiana Toll Road (I-90) analyzed longitudinally over the last five years from January 2020 to December 2024. It is a continuation of speed profile summaries that are published in previous years. Such systemwide interstate performance measures provide important information for decision makers to plan capital projects and assess operations. Hours of operation by speed bins (0 to 14 mph, 15 mph to 24 mph, 25 mph to 34 mph, 35
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Sakhare, Rahul Suryakant, Jairaj Desai, Deborah Horton, and Darcy M. Bullock. Crawfordsville District Interstate Speed Profiles: April 2020–March 2025. Purdue University, 2025. https://doi.org/10.5703/1288284317852.

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This report presents a graphical summary of monthly mile-hours of congestion across the three interstates (I-65, I-70, and I-74) in INDOT’s Crawfordville District analyzed longitudinally over the last five years from April 2020 to March 2025. It is a continuation of speed profile summaries that are published in previous years. Such systemwide interstate performance measures provide important information for decision makers to plan capital projects and assess operations. Hours of operation by speed bins (0 to 14 mph, 15 mph to 24 mph, 25 mph to 34 mph, 35 mph to 44 mph, 45 mph to 54 mph, 55 mph
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Liu, Tairan. Addressing Urban Traffic Congestion: A Deep Reinforcement Learning-Based Approach. Mineta Transportation Institute, 2025. https://doi.org/10.31979/mti.2025.2322.

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In an innovative venture, the research team embarked on a mission to redefine urban traffic flow by introducing an automated way to manage traffic light timings. This project integrates two critical technologies, Deep Q-Networks (DQN) and Auto-encoders, into reinforcement learning, with the goal of making traffic smoother and reducing the all-too-common road congestion in simulated city environments. Deep Q-Networks (DQN) are a form of reinforcement learning algorithms that learns the best actions to take in various situations through trial and error. Auto-encoders, on the other hand, are tool
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Desai, Jairaj, Jijo K. Mathew, Howell Li, Rahul Suryakant Sakhare, Deborah Horton, and Darcy M. Bullock. National Mobility Report for All Interstates–December 2022. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317591.

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In January 2023, Wejo Data Services Inc. provided Purdue with a national data set comprised of approximately 503 billion connected vehicle records covering all 50 states for the month of December 2022. The goal of the evaluation data set was to create a series of summary graphics to evaluate the scalability of work zone/winter weather analytics graphics and electric/hybrid vehicle counts at a national level as well as visualize the mobility impacts of winter weather activity on the national interstate network. This report illustrates several performance measures developed using this dataset fo
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Downey, Matthew. Evaluating the Effects of a Congestion and Weather Responsive Advisory Variable Speed Limit System in Portland, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.2394.

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Salgado, Edgar, and Oscar A. Mitnik. Spatial and Time Spillovers of Driving Restrictions: Causal Evidence from Limas Pico y Placa Policy. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003849.

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Driving restrictions are popular interventions in rapidly urbanizing developing countries. Their relatively inexpensive implementation appeals to the pressing need to reduce traffic congestion and pollution. Their effectiveness however, remains contested. Using high frequency data from the community-based driving directions app Waze, we evaluate the causal effect on traffic congestion of Lima's Pico y Placa driving restriction policy introduced in 2019. We find small improvements in traffic congestion for the policy's directly targeted areas. However, those improvements are offset by time and
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Schorung, Matthieu. A Geographical Contribution on Interurban Passenger Rail Transportation in the United States. Mineta Transportation Institute, 2022. http://dx.doi.org/10.31979/mti.2022.2212.

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Why does the rail infrastructure of the United States lag behind those of many other developed countries? Where is U.S. high-speed rail? This research approaches this in a dilemma by exploring Amtrak’s traditional rail services and high-speed rail projects in the nation to understand the workings of public rail transportation policies, what they contain, and how they are developed and pursued by the different stakeholders. This research utilizes case studies and a multiscale approach to analyze the territorialization of intercity rail transportation policies. The analysis demonstrates the emer
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