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Title:

Ohio Department of Transportation Road Grip Tester Project
Cover of Ohio Department of Transportation Road Grip Tester Project

Accession Number:

01030133

Record Type:

Component

Availability:

Find a library where document is available


Order URL: http://worldcat.org/issn/00978515

Abstract:

The Ohio Department of Transportation (ODOT) has initiated a process to create a system that detects, records, reports, and disseminates informational data regarding low grip areas on roadway surfaces. A Road Grip Tester (RGT) system measures road surface friction by utilizing an existing hydraulic system to deploy and retract a wheel that is located in the front of the drive axle underneath the vehicle or using a wheel mounted to a tow hitch at the rear of the vehicle. In normal, dry conditions a graphical display in the cab of the vehicle will show green lights (along with a corresponding numerical value). As the surface loses friction (e.g., wet or snowy conditions), more lights are displayed and the color changes from green to yellow; the numerical value changes (decreases) as well. As the road becomes snow covered, even more lights are displayed and the color changes to red. The numerical value decreases even further. The intent of the system is to serve as an early alert and advance notification system for road conditions before, during, and after a winter event. The RGT provides the ability to detect deteriorated pavement surface conditions associated with winter weather that are otherwise not visibly evident. The system provides information allowing ODOT maintenance forces to detect the presence of black ice on pavement surfaces and prompt immediate treatment where needed. It also provides real-time information to detect the rapidly changing conditions associated with winter maintenance activities.

Monograph Accession #:

01030127

Language:

English

Authors:

Evans, Diana

Pagination:

pp 103-113

Publication Date:

2006-7

Serial:

Transportation Research Circular

Issue Number: E-C098
Publisher: Transportation Research Board
ISSN: 0097-8515

Conference:

11th AASHTO-TRB Maintenance Management Conference

Location: Charleston South Carolina, United States
Date: 2006-7-16 to 2006-7-20
Sponsors: Transportation Research Board; American Association of State Highway and Transportation Officials (AASHTO); Federal Highway Administration

Media Type:

Web

Features:

Figures (6) ; Photos (4) ; References (3)

Uncontrolled Terms:

Graphical displays; Surface condition

Subject Areas:

Highways; Maintenance and Preservation; I62: Winter Maintenance

Source Data:

MMC2006-049

Files:

TRIS, TRB

Created Date:

Aug 4 2006 10:03AM

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