Pilot In-service Performance Evaluation of Cable Barrier in Washington State

Abbott, Paul; Manchas, Brad; van Schalkwyk, Ida; Donahue, John; Mahugh, Jim; Washington State Department of Transportation. Research Office

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Pilot In-service Performance Evaluation of Cable Barrier in Washington State

2022-06-01
By Abbott, Paul ; Manchas, Brad ; van Schalkwyk, Ida ; ...

[PDF-1.37 MB]

English

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Creators:

Abbott, Paul ; Manchas, Brad ; van Schalkwyk, Ida ; Donahue, John ; Mahugh, Jim

Abbott, Paul ; Manchas, Brad ; van Schalkwyk, Ida ; Donahue, John ; Mahugh, Jim Less -
Corporate Creators:

Washington State Department of Transportation. Research Office
Subject/TRT Terms:

[+]

Cable Barrier Cable Cars In-service Performance Evaluation (ISPE) Performance Measurement Pilot Studies Traffic Traffic Barriers Vehicle Mix
Publication/ Report Number:

WA-RD 913.1
Resource Type:

Tech Report
Geographical Coverage:

Washington ; United States

Washington ; United States Less -
Corporate Publisher:

Washington (State). Dept. of Transportation. Office of Research and Library Services
Abstract:

A pilot routine in-service performance evaluation (ISPE) was undertaken for cable barrier following the process outlined in NCHRP 22-33. Barrier breach, rollover, vehicle mix, and secondary impacts on the roadside and roadway were evaluated as performance measures using data sourced from the Crash Location & Analysis System (CLAS) database and the WSDOT Engineering Crash Data Mart for years 2016 through 2020. Four Performance Assessment Levels, ranging from no exclusions of crash data to exclusions of crash data limited to vehicle type and speed limit were assessed. For all five performance measures, the study found no measurable difference between the performance of the four major types of cable barrier in use on state highways within WSDOT jurisdiction, including three-strand versus four-strand.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2e9c562dca8a5ab9304cfd39cae1ba7d434244cd1a18b1048541384f06e1de79
Download URL:

https://rosap.ntl.bts.gov/view/dot/66077/dot_66077_DS1.pdf
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Pilot In-service Performance Evaluation of Cable Barrier in Washington State

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