GAP ACCEPTANCE FOR LEFT TURNS FROM THE MAJOR ROAD AT UNSIGNALIZED INTERSECTIONS
Open Access
- 10 July 2014
- journal article
- Published by Vilnius Gediminas Technical University in TRANSPORT
- Vol. 32 (3), 252-261
- https://doi.org/10.3846/16484142.2014.933445
Abstract
This paper attempts to identify factors that may influence the gap acceptance behavior of drivers who turn left from the major road at unsignalized intersections. Drivers’ accepted and rejected gaps as well as their age and gender were collected at six unsignalized intersections with both two and four lanes on the major road, with and without the presence of a Left-Turn Lane (LTL), and with both high and low Speed Limits (SLs). Whether or not a driver accepts a given gap was considered as a binary decision and correlated logit models were used to estimate the probability of accepting a gap. Models with different factors were tested and the best model was selected by the quasi-likelihood information criterion. The gap duration, the number of rejected gaps, the mean and total time interval of the rejected gaps and the gender of the driver were all significant in explaining the variation of the gap acceptance probability, whereas the number of lanes of the major road, the presence of LTL, the SL and the driver’s age category were not. Gap acceptance probability functions were determined based on the best model, including both the factors of the number of rejected gaps and the mean time interval of the rejected gaps. As the values of these two factors increase, the probability of accepting a given gap rises up. The developed model can be further applied in practice to improve the analysis of traffic operations and capacity at unsignalized intersections.Keywords
This publication has 19 references indexed in Scilit:
- Gap acceptance at stop-controlled T-intersections in a simulated rural environmentTransportation Research Part F: Traffic Psychology and Behaviour, 2013
- Intersection crossing assist system: Transition from a road-side to an in-vehicle systemTransportation Research Part F: Traffic Psychology and Behaviour, 2012
- Alternative Methodology for Determining Gap Acceptance for Two-Way Stop-Controlled IntersectionsJournal of Transportation Engineering, 2012
- Differentiating between Left-Turn Gap and Lag Acceptance at Unsignalized Intersections as a Function of the Site CharacteristicsJournal of Transportation Engineering, 2012
- Modeling aggressive driver behavior at unsignalized intersectionsAccident Analysis & Prevention, 2007
- Concept evaluation of intersection decision support (IDS) system interfaces to support drivers’ gap acceptance decisions at rural stop-controlled intersectionsTransportation Research Part F: Traffic Psychology and Behaviour, 2007
- Design of an intersection decision support (IDS) interface to reduce crashes at rural stop-controlled intersectionsTransportation Research Part C: Emerging Technologies, 2006
- Field Study of Gap Acceptance by Left-Turning DriversTransportation Research Record: Journal of the Transportation Research Board, 2004
- DRIVER AGE DIFFERENCES IN DAY AND NIGHT GAP ACCEPTANCE CAPABILITIESIATSS Research, 2002
- Useful estimation procedures for critical gapsTransportation Research Part A: Policy and Practice, 1999