Travel costs associated with flood closures of state highways near Centralia/Chehalis, Washington.

Hallenbeck, Mark E.; Goodchild, Anne; Drescher, Jerome; Washington State Transportation Center

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Travel costs associated with flood closures of state highways near Centralia/Chehalis, Washington.

2014-09-01
By Hallenbeck, Mark E. ; Goodchild, Anne ; Drescher, Jerome

English

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Details:

Creators:

Hallenbeck, Mark E. ; Goodchild, Anne ; Drescher, Jerome

Hallenbeck, Mark E. ; Goodchild, Anne ; Drescher, Jerome Less -
Corporate Creators:

Washington State Transportation Center
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Detours Direct Costs Floods Highways Sensitivity Analysis Street Closure Travel Costs Travel Time Vehicle Miles Of Travel
Publication/ Report Number:

WA-RD 832.1
Resource Type:

Tech Report
Geographical Coverage:

Washington
Corporate Publisher:

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

This report discusses the travel costs associated with the closure of roads in the greater

Centralia/Chehalis, Washington region due to 100-year flood conditions starting on the Chehalis River. The costs

were computed for roadway closures on I-5, US 12, and SR 6, and are based on estimated road closure durations

supplied by WSDOT. The computed costs are only those directly related to travel that would otherwise have

occurred on the roads affected by the flooding closures. The computed costs do not include the economic losses

associated with delayed delivery of goods or services, losses in economic activity attributable to travelers being

unable to reach their intended destinations, or economic losses associated with the loss of goods because they

could not be delivered. The reported costs do include the added costs of time and vehicle mileage associated with

available detour routes. Costs were also estimated for each trip that will be abandoned. That is, this study

estimated the number of trips that will not be made as a result of road closures.

The researchers also conducted a sensitivity analysis of the findings for the I-5 cost computation.

Sensitivity tests were conducted for the value of time, the speeds and level of congestion assumed to occur on the

routes used for detours, the values associated with trips that are not made via the expected detours, the

percentage of personal trips made for work/business purposes versus those being made for personal reasons, the

fraction of cars and trucks willing to detour, the effects of flood closure during the weekend or the summer, and

growth in traffic volumes on I-5.
Format:

PDF
Funding:

Agreement T1461, Task 07
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e42edeb0be97c519431b70939817afd9dda466b49030cf4e654543065ba6a619
Download URL:

https://rosap.ntl.bts.gov/view/dot/28159/dot_28159_DS1.pdf
File Type:

[PDF-772.03 KB]