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- Title
Develop right-turn real-time crash warning system at arterial access considering driver behaviour.
- Authors
Yi Li; Junhua Wang; Ching-yao Chan; Ting Fu
- Abstract
To help drivers safely enter the arterial road from the access road, the authors develop a crash warning system for vehicles in right-turn scenario based on DSRC (dedicated short range communications). Drivers' right-turn behaviours from an access road to an arterial highway are considered in the system. Warning algorithms were tested with field data and DSRC onboard and roadside equipment. Corresponding outliers filter shows a reliable performance. In this system, right-turn process is divided into three phases: turn-in, keep-steady, and turn-out. Based on the field data, they establish regression models for each phase. Model results show that: (i) the overall duration of the three phases of the right-turn manoeuvre increases with the amount of cars coming from left on main artery; (ii) the amount of cars that are influenced by the arterial traffic increases the duration of first two phases, but decreases the last phase duration; (iii) the longer the first two phases last, the shorter the last phase would be; and (iv) drivers tend to decelerate before turning right when there are more than two cars coming from left.
- Subjects
ARTERIAL roads; REAL-time rendering (Computer graphics); TRAFFIC accidents; TRAFFIC safety; TRANSPORTATION accidents
- Publication
IET Intelligent Transport Systems (Wiley-Blackwell), 2017, Vol 11, Issue 1, p44
- ISSN
1751-956X
- Publication type
Article
- DOI
10.1049/iet-its.2016.0016