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Title:

Use of Physical Devices for Traffic Calming Along Major Roads Through Small Rural Communities in Iowa

Accession Number:

01099790

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States
Order URL: http://www.trb.org/Main/Public/Blurbs/160630.aspx

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Order URL: http://worldcat.org/isbn/9780309125901

Abstract:

Many rural communities have developed around highways or major county roads. As a result, the main street through small rural communities is often part of a high-speed rural highway. Highways and county roads are characterized by high speeds outside the city limits and then transition into a reduced-speed section through the rural community. Consequently, drivers passing through the community may enter at high speeds and then maintain those speeds throughout. Traffic calming in small rural communities along major roadways is common in Europe, but the United States does not have experience with applying traffic calming outside of major urban areas. Seven different low-cost traffic treatments were implemented and evaluated in five rural Iowa communities. Two of the treatments physically affected the roadway cross-section. A speed table was placed along the major road (County Highway E-23) in Gilbert, Iowa, and longitudinal channelizers were used to create a center island narrowing along County Highway R-38 in Slater, Iowa. Before and after speed studies were conducted. Speed studies were conducted at 1, 3, 9, and 12 months after installation of the treatments to evaluate their effectiveness over time. Both treatments successfully reduced mean speed, 85th percentile speed, and fraction of vehicles traveling 5, 10, 15, and 20 mph over the posted speed limit; reductions were sustained over time.

Monograph Accession #:

01118273

Language:

English

Authors:

Hallmark, Shauna L

ORCID 0000-0001-5187-8022

Hawkins, Neal R
Fitzsimmons, Eric
Plazak, David J
Welch, Tom Michael
Petersen, Eric

Pagination:

pp 100-107

Publication Date:

2008

Serial:

Transportation Research Record: Journal of the Transportation Research Board

Issue Number: 2078
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

9780309125901

Media Type:

Print

Features:

Figures (1) ; Photos (7) ; References (8) ; Tables (4)

Uncontrolled Terms:

Mean speed

Geographic Terms:

Gilbert (Iowa); Iowa; Slater (Iowa)

Subject Areas:

Highways; Operations and Traffic Management; Safety and Human Factors; I73: Traffic Control; I82: Accidents and Transport Infrastructure

Files:

TRIS, TRB

Created Date:

Jan 29 2008 4:59PM

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