Estimation of Metro Freeway System Reliability and Resilience

Kwon, Eil; Jurrens, Chet; Wright, Cole; Mahmud, Asif; University of Minnesota, Duluth. Department of Civil Engineering

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Estimation of Metro Freeway System Reliability and Resilience

2022-02-01
By Kwon, Eil ; Jurrens, Chet ; Wright, Cole ; ...

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Details:

Creators:

Kwon, Eil ; Jurrens, Chet ; Wright, Cole ; Mahmud, Asif

Kwon, Eil ; Jurrens, Chet ; Wright, Cole ; Mahmud, Asif Less -
Corporate Creators:

University of Minnesota, Duluth. Department of Civil Engineering
Corporate Contributors:

Minnesota. Department of Transportation. Office of Research & Innovation
Subject/TRT Terms:

[+]

Bottlenecks Freeway Operations Freeways Highway Corridors Reliability (Statistics) Travel Time Travel Time Reliability
Publication/ Report Number:

MN 2022-01
Resource Type:

Tech Report
Geographical Coverage:

United States ; Minnesota

United States ; Minnesota Less -
Edition:

Final Report, Appendices
Corporate Publisher:

Minnesota. Department of Transportation
Abstract:

This study has estimated and analyzed the travel-time reliability and traffic-flow performance trends of the freeway corridors in the Twin Cities metro area of Minnesota. First, TeTRES (Travel-Time Reliability Estimation System), developed in the previous study, was enhanced by adding the estimation module of the traffic-flow performance measures for selected routes. Next, the TeTRES database was populated with the external-operating condition data collected from 2010 to 2020. The enhanced TeTRES was then applied to a total of 48 directional corridors in the metro freeway network and the travel-time reliability for each corridor under different operating conditions was estimated and analyzed along with the traffic-flow performance measures for 2016 – 2020 period. In particular, a newly developed vulnerability index, which combines 95ᵗʰ percentile buffer index and 95ᵗʰ percentile travel rate of each route, was applied to determine yearly-reliability trends under different operating conditions for each corridor. The vulnerability index was also applied to identify the most vulnerable bottleneck section within each directional corridor using the 2019 data under all conditions. Finally, a preliminary study to assess the operational resilience of freeway corridors was conducted in this study by formulating the corridor- wide operational resilience with data from a total of six directional corridor routes in the metro freeway network.
Content Notes:

Supplementary Material included: Estimation of Metro Freeway System Reliability and Resilience: Appendices
Format:

PDF
Funding:

(c)1003325 (wo) 102
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b4c72842734d52866b4a2b4e56483579f5d52a87efdf6033d70b822362a191b9
Download URL:

https://rosap.ntl.bts.gov/view/dot/61580/dot_61580_DS1.pdf
File Type:

Appendices

pdf

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