The Effects of the All-red Clearance Interval on Intersection Accident Rates in Indiana

Front Cover
Purdue University, Joint Highway Research Project, 1992 - Electronic traffic controls - 112 pages
0 Reviews
The research reported is an evaluation of all-red clearance intervals as the second phase of a project involving traffic signal operation. The first phase of the project dealt with leading versus lagging left turn signal phasing. The study analyzed both the short-term and long-term effects of all-red interval on accident rates in Indiana using accident records for the years 1981 to 1987. The results contradict those of previous studies. Statistical tests indicated that all-red clearance intervals did not cause a reduction in accident rates at the intersections studied in Indiana.

From inside the book

What people are saying - Write a review

We haven't found any reviews in the usual places.

Contents

LITERATURE REVIEW 4
4
STUDY METHODOLOGY
10
RESULTS AND DISCUSSION
28

2 other sections not shown

Other editions - View all

Common terms and phrases

Bibliographic information