00495477

Component

http://onlinepubs.trb.org...trr/1989/1244/1244-001.pdf

https://scholar.google.co...urch&publication_year=1989

Arizona's experience with the 65-mph speed limit is presented in terms of driver behavior and accident experience. The speed limit on Arizona's rural interstate was raised to 65 mph on April 15, 1987. Driver behavior is presented in terms of the speeds at which motorists actually drive on the rural interstate. Before and after data are presented from the last quarter of 1983 through the first quarter of 1988. Vehicle speeds increased by only about 3 mph or less during the four quarters following the speed limit increase. A 5-year history of interstate accident data--from 1983 through spring 1988--is presented that provides a before-and-after comparison. Information on total accidents, fatal accidents, and injuries is presented. Accident rate information is presented to account for the effect of increasing vehicle-miles of travel. Accident data on the urban interstate are presented for comparison purposes.

This paper appears in Transportation Research Record No. 1244, Traffic and Grade Crossing Control Devices. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01414219

p. 1-6

1989

Transportation Research Record

0309049709

Figures (14) ; Tables (1)

65 mph speed limit; Before and after studies; Behavior; Crash rates; Crashes; Drivers; Fatalities; Injuries; Motor vehicles; Rural areas; Speed; Traffic speed

Interstate Highway System

Arizona

Highways; Operations and Traffic Management; Safety and Human Factors; I73: Traffic Control

TRIS, TRB, ATRI

Jul 31 1990 12:00AM

• AGE DIFFERENCES IN A VISUAL INFORMATION PROCESSING CAPABILITY UNDERLYING TRAFFIC CONTROL DEVICE USAGE
• ALL-WAY STOPS: A NEW POLICY (WITH DISCUSSION AND CLOSURE)
• EFFECTS OF ACTUATED SIGNAL SETTINGS AND DETECTOR PLACEMENT ON VEHICLE DELAY
• EVALUATION OF TWO ACTIVE TRAFFIC CONTROL DEVICES FOR USE AT RAILROAD-HIGHWAY GRADE CROSSINGS
• EVALUATION OF UNMANNED RADAR INSTALLATIONS
• FIELD EVALUATION OF A FOUR-QUADRANT GATE SYSTEM FOR USE AT RAILROAD-HIGHWAY GRADE CROSSINGS
• PROPOSED PROCEDURE FOR SELECTING TRAFFIC SIGNAL CONTROL AT SCHOOL CROSSINGS