Human Factors Examination of Driver Response to a Specific Work Zone Design (Design Standards No. 613, Duration Note 2) and Key Moderating Factors

摘要

The purpose of the examination was to investigate whether reducing the standard taper length noted in Design Standard No. 613, Duration Note 2 increases accident likelihood. In addition to taper length, the presence of a visually occluding lead vehicle was considered as a key-moderating factor that might influence work zone safety. Taken together, Taper Length and Lead Vehicle formed the two primary factors under consideration for Experiment 1. A second experiment replicated the experimental conditions of the first Experiment, with the major difference that additional vehicles were included in the simulation.