Study Of Clearance Intervals Flashing Operation And Left Turn Phasing At Traffic Signals Flashing Operation By Barry Benioff Cynthia Carson Frederick C Dock
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Study of Clearance Intervals, Flashing Operation, and Left-turn Phasing at Traffic Signals
| Author | : Barry Benioff |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1980 |
| Genre | : Traffic signs and signals |
| ISBN | : |
The Effects of the All-red Clearance Interval on Intersection Accident Rates in Indiana
| Author | : Brian A. Roper |
| Publisher | : |
| Total Pages | : 132 |
| Release | : 1992 |
| Genre | : Electronic traffic controls |
| ISBN | : |
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.
