title: How do drivers behave during indecision zone maneuvers?
abstract: Yellow signal indications at intersections are well-known to be a contributor to traffic crashes. This study examined drivers' behavior during yellow signal indication (i.e., indecision zone) maneuvers. Data from a driving simulator study was used, which included drivers' performance data when they encountered a yellow signal indication at intersections under different secondary-task conditions. This study calculated drivers' likelihood to go through a yellow signal indication and examined factors that are related to drivers' decision making on intersection traversing. The results showed that drivers' decision on stopping or not at a yellow signal indication was associated with different variables including age, distraction, pedal conditions, and time to stop line. Distracted drivers' insensitive behavior was also captured from the significant interaction effect between time to stop line and distraction conditions, which implied that intersection related crash risk may increase when drivers were distracted.
authors.affiliation: University of Michigan Transportation Research Institute, United States. Electronic address: xionghm@uw.edu.
authors.forename: Huimin
authors.initials: H
authors.lastname: Xiong
authors.affiliation: University of Michigan Transportation Research Institute, United States.
authors.forename: Prabha
authors.initials: P
authors.lastname: Narayanaswamy
authors.affiliation: University of Michigan Transportation Research Institute, United States.
authors.forename: Shan
authors.initials: S
authors.lastname: Bao
authors.affiliation: University of Michigan Transportation Research Institute, United States.
authors.forename: Carol
authors.initials: C
authors.lastname: Flannagan
authors.affiliation: University of Michigan Transportation Research Institute, United States.
authors.forename: James
authors.initials: J
authors.lastname: Sayer
mesh_terms: D000063:Accidents, Traffic / Q000517:prevention & control*; D001334:Automobile Driving / Q000523:psychology*; D003071:Cognition / Q000502:physiology; D003657:Decision Making; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D011336:Probability; D012306:Risk; D012309:Risk-Taking
keywords: Driver distraction; Driving simulator; Indecision zone; Yellow signal indication