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Dissertations / Theses on the topic 'Unsignalized Intersection'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Haleem, Kirolos. "Comprehensive Analytical Investigation of the Safety of Unsignalized Intersections." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2741.

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According to documented statistics, intersections are among the most hazardous locations on roadway systems. Many studies have extensively analyzed safety of signalized intersections, but did not put their major focus on the most frequent type of intersections, unsignalized intersections. Unsignalized intersections are those intersections with stop control, yield control and no traffic control. Unsignalized intersections can be differentiated from their signalized counterparts in that their operational functions take place without the presence of a traffic signal. In this dissertation, multipl

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2

Ni, Wuyen Wayne. "A simulation study of left turning movement at an unsignalized intersection." Master's thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/46345.

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3

Ni, Wuyen Wayne. "A simualtion [sic] study of left turning movement at an unsignalized intersection /." This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12232009-020056/.

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4

Arndt, Owen Kingsley. "Relationship between unsignalised intersection geometry and accident rates." Thesis, Queensland University of Technology, 2004. https://eprints.qut.edu.au/15815/1/Owen_Arndt_Thesis.pdf.

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The aim of this research is to determine the effect of unsignalised intersection geometry on the rates of the various types of accidents occurring at unsignalised intersections. A literature review has identified that there is little consistency between the results of previous studies. Some studies found that particular parameters had an opposite effect to what was expected. With this in mind, the research identified reasons for these results and developed two basic approaches to mitigate some of the problems with multi-factor type studies. These approaches are 'maximise the efficiency of

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5

Arndt, Owen Kingsley. "Relationship Between Unsignalised Intersection Geometry and Accident Rates." Queensland University of Technology, 2004. http://eprints.qut.edu.au/15815/.

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The aim of this research is to determine the effect of unsignalised intersection geometry on the rates of the various types of accidents occurring at unsignalised intersections. A literature review has identified that there is little consistency between the results of previous studies. Some studies found that particular parameters had an opposite effect to what was expected. With this in mind, the research identified reasons for these results and developed two basic approaches to mitigate some of the problems with multi-factor type studies. These approaches are 'maximise the efficiency of

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6

Jelena, Mitrović Simić. "Nivo usluge na nesignalisanim pešačkim prelazima." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=99735&source=NDLTD&language=en.

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Istraživanje koje je sprovedeno u okviru disertacije poslužilo je za definisanje matematičkog modela koji se može primeniti u postupku određivanja nivoa usluge za nesignalisane pešačke prelaze. Formirani model za proračun stepena propuštanja pešaka u uslovima lokalnog odvijanja saobraćaja zavisi od protoka pešaka i vozila, strukture saobraćajnog toka (učešće autobusa i teretnih vozila) i smera kretanja vozila na lokaciji pešačkog prelaza. U okviru disertacije izvršena je analiza pešačkih intervala prilikom prelaska kolovoza. Uporednom analizom prihvatljivih i kritičnih intervala dobijen je mod

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7

Nemanja, Deretić. "Model proračuna kapaciteta manevra levog skretanja sa prioritetnog prilaza nesignalisane raskrsnice." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107590&source=NDLTD&language=en.

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Pre obavljanja levog manevra, sa prioritetnog prilaza TWSC nesignalisane raskrsnice, vozač procenjuje interval koji se javlja u konfliktnom toku i bira onaj interval koji mu je najviše prihvatljiv. Vreme koje je potrebno za procenu prihvatljivog intervala je predstavljeno u vidu vremena čekanja u opsluzi vozila na raskrsnici. Sa pojavom prihvatljivog intervala, vreme čekanja u opsluzi vozila se završava, i tada počinje vreme za izvođenje manevra levog skretanja. Odluka o momentu početka izvođenja manevra levog skretanja je subjektivna i zasniva se na proceni vozača. Ispravna subjektivna procen

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8

Velan, Shane M. "Gap acceptance of permissive movements at signalised and unsignalised intersections." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq22415.pdf.

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9

Shams, Esfandabadi Alireza. "Safety effectiveness of adding by-pass lanes at unsignalized rural intersections in Kansas." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18249.

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Master of Science<br>Department of Civil Engineering<br>Sunanda Dissanayake<br>Construction of by-pass lanes at rural intersections typically has been considered a low-cost safety improvement. Safety analysis utilizes two common approaches to evaluate treatment effectiveness: before-and-after study and cross-sectional study. This research performed paired sample t-test statistical analysis to estimate changes in total of crash frequency, crash rates, EPDO crash frequency, and EPDO crash rates at intersections, three to five years after adding a by-pass lane compared to identical time period be

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10

Kako, Soichiro. "Microscopic modelling of merging at unsignalised intersections and its application to freeway merging." Thesis, Queensland University of Technology, 1998.

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11

Saxena, Meeta. "Comparison of Various Methods to Compute Access Density and Proposing a Weighted Methodology." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1761.

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This study aims to compare three distinct methods used to compute access density and provide a comprehensive weighted methodology to enable standardization for research and application in the future. Access density is a widely used concept that calculates the number of access points within a given distance and has been extensively applied to studies related to crash modeling, operational impact and planning. Methods used in past research show that access density is computed differently by different studies and all studies do not include all access points. The weighted methodology proposed take

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12

Ale, Gom. "Safety Effectiveness and Safety-Based Volume Warrants of Right-Turn Lanes at Unsignalized Intersections and Driveways on Two-Lane Roadways." Diss., North Dakota State University, 2012. http://hdl.handle.net/10365/19235.

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Disagreements regarding to what degree right-turn lanes improve or worsen the safety of intersections and driveways provided the motivation and the need for this study. The objectives of this study were to: a) carry out an in-depth study to determine the safety impacts of right-turn movements in different contexts, and b) develop safety-based volume warrants for right-turn lanes if safety indeed improves. Lack of adequate study on the applicability of past warrants and guidelines for the specific context of right-turn movements made from major uncontrolled approaches at unsignalized intersecti

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13

Ale, Gom Bahadur. "Safety Effectiveness and Safety-Based Volume Warrants of Right-Turn Lanes at Unsignalized Intersections and Driveways on Two-Lane Roadways." Diss., North Dakota State University, 2012. https://hdl.handle.net/10365/26510.

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Disagreements regarding to what degree right-turn lanes improve or worsen the safety of intersections and driveways provided the motivation and the need for this study. The objectives of this study were to: a) carry out an in-depth study to determine the safety impacts of right-turn movements in different contexts, and b) develop safety-based volume warrants for right-turn lanes if safety indeed improves. Lack of adequate study on the applicability of past warrants and guidelines for the specific context of right-turn movements made from major uncontrolled approaches at unsignalized intersecti

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14

Sullivan, Daniel P. "Vehicle headway and lane flow distributions on multi-lane arterial roads." Thesis, Queensland University of Technology, 2001.

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15

Wan, Feng. "Analysis of Platoon Impacts on Left-Turn Delay at Unsignalized Intersections." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8843.

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Traffic platoons created by traffic signals may have impacts on the operations of downstream intersections because they change the arrival pattern and gap distribution of upstream traffic. There’s been a lot of research dealing with platoon effects on operations at signalized intersections, while very limited research has been done for that of unsignalized intersections. This research aims to develop a methodology for analyzing the platoon impacts on major-street left-turn (MSLT) delay at two-way stop-controlled (TWSC) intersections. The main idea is using a microscopic simulation tool to simu

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16

Xie, Yi-Da, and 謝易達. "Analysis of Traffic Accident and Safety Improvement Measures for Unsignalized Intersection in Taipei City." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/26277197673253350886.

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碩士<br>國立交通大學<br>交通運輸研究所<br>98<br>The accidents could be sorted to section and intersection by locations, and the intersections could be classified into signalized and unsignalized intersections. Intersections with high volume of traffic usually use traffic singals to separate the vehicles from different direction. But the volume of traffic in intersection without exceeding the criteria usually only install warning or prohibition sign (or marking) to promote visibility of intersection and confirm the right of way. In consideration of the accidents in signalized or unsignalized are different, th

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17

Rodríguez, Luis F. (Luis Felipe). "Accident prediction models for unsignalized intersections." Thesis, 1998. http://hdl.handle.net/2429/7882.

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The main objective of this thesis is to develop Accident Prediction Models (APM) for estimating the safety potential of urban unsignalized (T and 4-leg) intersections in the Greater Vancouver Regional District (GVRD) and Vancouver Island on the basis of their traffic characteristics. The models are developed using the generalized linear regression modeling (GLIM) approach, which addresses and overcomes the shortcomings associated with the conventional linear regression approach. The safety predictions obtained from GLIM models can be refined using the Empirical Bayes' approach to provide

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18

Jean, Yi-Jeng, and 簡益正. "A Study of Capacity and Delay on Unsignalized Intersections." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/06812343749717584652.

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19

HU, YA-FEN, and 胡雅芬. "Development of a Gap-Acceptance Simulation Model at Unsignalized Intersections." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/s9k35f.

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碩士<br>中華大學<br>運輸科技與物流管理學系<br>106<br>Accepted gap is an important parameter for vehicle drivers at unsignalized intersections since no traffic control signals at these intersections. It also causes traffic flow interruption and conflict problems. Vehicle delay and stops affects the operational efficiency of vehicles crossing the intersections. Illegal driving behaviors result in high probability of traffic accidents at unsignalized intersections. Therefore, driving behavior analysis of vehicle drivers at unsignalized intersections is the base of improved strategies development. This study analy

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20

Sahu, Shakti Samanta. "Gap acceptance Behaviour and Operational analysis of Bicyclists at Unsignalized Intersections." Thesis, 2018. http://ethesis.nitrkl.ac.in/9542/1/2018_MT_216CE3071_SSSahu_Gap.pdf.

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Models have been created under homogeneous condition with no exertion on show improvement for heterogeneous condition for bicyclists. In this manner, display improvements under heterogeneous condition are the need of great importance as the bicyclists working under the blended activity conditions are inclined street setbacks. Unsignalized crossing points are the contention hotspot in a street approach. Need of development are ignored in these crossing points making it extreme for the bicyclists to make developments with next to zero accessible space.This makes clashes with respect to

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21

Patro, Sharmili. "Modelling Automobile LOS of Uncontrolled Unsignalized Intersections in Urban Indian context." Thesis, 2018. http://ethesis.nitrkl.ac.in/9571/1/2018_MT_216CE3068_SPatro_Modelling.pdf.

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This examination exhibits the assessment of Automobile Level of Service (ALOS) at uncontrolled unsignalized crossing points utilizing Genetic Algorithm (GA) and Functional Link Artificial Neural Network (FLANN) delicate processing methods. Fast urbanization development in India prompts developing need of transportation offices, which additionally prompts quick augmentation in rush hour gridlock volume. Uncontrolled unsignalized crossing points are, where movement conflictions happen with considerably more frequencies due to the entangled collaborations among the vehicles. Mechaniz

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22

Priya, Majji Sai. "Study on Pedestrian Crossing Behaviour at Unsignalized Intersections Using Gap Acceptance Theory." Thesis, 2016. http://ethesis.nitrkl.ac.in/9172/1/2016_MT_MSPriya.pdf.

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Pedestrians are considered as weakest road users and one mistake of the pedestrian results into tragedy of the humans. This is due to rapid urbanization which results in the increase of road use by the pedestrians. So focus should be there on the pedestrians as what they will go through in the traffic and necessary to study pedestrian crossing behaviour. There is no proper study regarding gap acceptance theory with respect to pedestrians in Indian context. In order to study gap acceptance behaviour of pedestrian crossing there is need to study gap acceptance parameters such as critical gap and

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23

Gutekunst, Robert Jacob. "An empirical delay model for application in unsignalized intersections in dynamic traffic assignment." Thesis, 2014. http://hdl.handle.net/2152/28256.

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Up until recently, unsignalized nodes have been either ignored or inadequately represented in Dynamic Traffic Assignment (DTA) models. This is due to the difficult nature of incorporating internal node conflicts into dynamic flow models. It was thought or assumed that these nodes had little impact on overall model results, but evidence from testing in Visual Interactive System for Transportation Algorithms (VISTA), a DTA model, reveals that may not be the case. This paper explores recent attempts at characterizing stop sign effects within DTA flow models. From previous studies, it has been fou

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24

Sayed, Tarek A. "A simulation model of road user behaviour and traffic conflicts at unsignalized intersections." Thesis, 1992. http://hdl.handle.net/2429/1931.

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This thesis describes a visual microscopic traffic conflicts simulation model for both T and 4-leg unsignalized intersections. The objective of the model is to study traffic conflicts as critical traffic situations and understand the driver's behaviour at these situations. The Author rejected the use of pure gap acceptance criteria to describe driver's behaviour at unsignalized intersections. As an alternative, a combination of some aspects of the gap acceptance criteria and the effect of several parameters including driver’s characteristics such as age and sex and the waiting time are used to

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25

Prasetijo, Joewono [Verfasser]. "Capacity and traffic performance of unsignalized intersections under mixed traffic conditions / von Joewono Prasetijo." 2007. http://d-nb.info/98572367X/34.

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