Accident and Speed Studies in Construction Zones

Graham, Jerry L.; Paulsen, R. J.; Glennon, John C.

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Accident and Speed Studies in Construction Zones

1977-06-01
By Graham, Jerry L. ; Paulsen, R. J. ; Glennon, John C.

File Language:

English

Details

Creators:

Graham, Jerry L. ; Paulsen, R. J. ; Glennon, John C.
Corporate Creators:

Midwest Research Institute
Contributors:

Bissell, Howard
Corporate Contributors:

United States. Department of Transportation. Federal Highway Administration. Office of Research
Subject/TRT Terms:
Publication/ Report Number:

FHWA-RD-77-80
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Contracting Officer:

Bissell, H.H.
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration. Office of Research
Abstract:

The report includes results of two studies of construction zone traffic control. The first study involved analysis of traffic accidents occurring in 79 zones in seven states. Results indicate a before to during accident rate increase of 6.8%. Results also include breakdowns by accident types, severity, light conditions, roadway type, area type, work area roadway type, construction type and state. The second study was field testing of speed reduction methods. Speeds, erratic maneuvers and conflicts were measured at three sites--an urban freeway, a rural freeway, and an urban street. The field studies examined the effect of the following construction zone parameters on vehicle speeds and safety: Sequential flashing arrow boards; speed zoning (advisory and regulatory); enforcement; transverse striping; obliteration of nonappropriate pavement markings; taper length; lane width reduction; and active warning of speed zoning. Recommended guidelines for construction zone traffic controls are also included.
Format:

PDF
Funding:

DOT-FH-11-8121
Download URL:

https://rosap.ntl.bts.gov/view/dot/67468/dot_67468_DS1.pdf
File Type:

[PDF - 6.60 MB]
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:5c6d94c77aba0dc419a2e8979085bb2345a4b2a27b70cc7b400de19b57b9dd000ac40d4cdb11e9f82a0da8ca0d39f64b86bd1cb73e0d816c98f44c8e2263c4e4

File Language:

English

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