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Accession Number PB2013-103254
Title Calibration of HERS-ST for Estimating Traffic Impact on Pavement Deterioration in Texas.
Publication Date Aug 2012
Media Count 63p
Personal Author J. Prozzi
Abstract The Highway Economic Requirements System-State Version (or the HERS-ST) is a software package which was developed by the Federal Highway Administration as a tool for evaluating the performance of state highway systems. HERS-ST has the capabilities of estimating highway system performance and system needs. It also has the capability of providing investment strategies required to attain a certain level of system performance. Some states such as Indiana, North Dakota, New Mexico and Oregon have been able to make extensive use of the software. New Mexico, for example has used the software to provide an assessment for the states long term highway needs by running and evaluating various investment scenarios. The state of Indiana has used the software package in their Long Range Transportation Plan for assessing future system needs and budget planning. Texas has expressed interest in the HERS-ST software package, but it has been pointed out that the pavement deterioration model used by the HERS-ST software package to estimate pavement wear is inaccurate. This study focused on disaggregating the pavement deterioration model used by the HERS-ST to better understand its process with particular emphasis on traffic characteristics. This report presents a methodology that can be used to calibrate the model for state specific conditions.
Keywords Federal Highway Administration(FHA)
Highway Economic Requirements System-State Version(HERS-ST)
Pavement deterioration
State highway systems
Traffic characteristics
Traffic impact
Transportation needs

Source Agency Department of Transportation Office of University Research
Texas Transportation Institute Texas A&M University
NTIS Subject Category 43G - Transportation
85H - Road Transportation
91B - Transportation & Traffic Planning
Corporate Author Texas Univ. at Austin. Center for Transportation Research.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1307
Contract Number N/A

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