00497389

Component

http://onlinepubs.trb.org...trr/1990/1254/1254-001.pdf

https://scholar.google.co...mann&publication_year=1990

Previous research generally has found driver compliance with school speed limits to be poor, regardless of the type of school zone signing. The lack of compliance has raised questions as to the use of unreasonably low school speed limits to improve school zone safety. A study was conducted to evaluate the effectiveness of various speed control systems used in Nebraska school zones. One objective of this study was to determine the relationship between speeds in school zones and school speed limits. Spot speed data were collected in school zones with school speed limits from 15 to 25 mph. Multiple regression analysis of the data indicated that speeds in the school zones were influenced more by the speed characteristics and limits of the streets on which the zones were located than by the school zone speed limits. Also, on streets with normal speed limits of 35 mph, the 85th percentile speeds in zones with 25-mph school speed limits were lower than those in zones with 15- or 20-mph limits. Therefore, it was concluded that school speed limits lower than 25 mph should probably not be used on these streets.

This paper appears in Transportation Research Record No. 1254, Traffic Control Devices for Highways, Work Zones, and Railroad Grade Crossings 1990. 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

01414247

p. 1-7

1990

Transportation Research Record

0309050065

References (9) ; Tables (6)

Compliance; Field studies; Measures of effectiveness; Multiple regression analysis; Schools; Speed limits; Speed zones; Traffic speed

Effectiveness

Education and Training; Highways; Operations and Traffic Management; I73: Traffic Control

TRIS, TRB, ATRI

Sep 30 1990 12:00AM

• ADVANCED SIGNING FOR RECREATIONAL AND HISTORICAL SITES
• ASSESSMENT OF WARNING TIME NEEDS AT RAILROAD-HIGHWAY GRADE CROSSINGS WITH ACTIVE TRAFFIC CONTROL
• CRASH TESTS OF WORK ZONE TRAFFIC CONTROL DEVICES
• EVALUATION OF CONSTANT WARNING TIMES USING TRAIN PREDICTORS AT A GRADE CROSSING WITH FLASHING LIGHT SIGNALS
• EVALUATION OF RAILROAD PREEMPTION CAPABILITIES OF TRAFFIC SIGNAL CONTROLLERS
• GUIDELINES FOR THE USE OF SELECTED ACTIVE TRAFFIC CONTROL DEVICES AT RAILROAD-HIGHWAY GRADE CROSSINGS (WITH DISCUSSION AND CLOSURE)
• IMPROVING WORK ZONE DELINEATION ON LIMITED ACCESS HIGHWAYS
• INTEGRATING MICROSCOPIC SIMULATION AND OPTIMIZATION: APPLICATION TO FREEWAY WORK ZONE TRAFFIC CONTROL
• MODEL OF THE EFFECTS OF RAIL-HIGHWAY GRADE CROSSINGS ON EMERGENCY ACCESS