Evaluation of variable speed limits on I-270/I-255 in St. Louis.

Bham, Ghulam H; Long, Suzanna; Baik, Hojong; Ryan, Tom; Gentry, Lance; Lall, Khushboo; Arezoumandi, Mahdi; Liu, Daxiao; Li, Tao; Schaeffer, Brian; Missouri University of Science and Technology. Department of Civil, Architectural, and Environmental Engineering

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Evaluation of variable speed limits on I-270/I-255 in St. Louis.

2010-10-01
By Bham, Ghulam H ; Long, Suzanna ; Baik, Hojong ; ...

[PDF-1.78 MB]

English

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Creators:

Bham, Ghulam H ; Long, Suzanna ; Baik, Hojong ; Ryan, Tom ; Gentry, Lance ; ... More +

Bham, Ghulam H ; Long, Suzanna ; Baik, Hojong ; Ryan, Tom ; Gentry, Lance ; Lall, Khushboo ; Arezoumandi, Mahdi ; Liu, Daxiao ; Li, Tao ; Schaeffer, Brian Less -
Corporate Creators:

Missouri University of Science and Technology. Department of Civil, Architectural, and Environmental Engineering
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Advanced Traffic Management Systems Express Highways--Missouri Highway Safety Interstate Highways Mobility Public Opinion Speed Limits Traffic Congestion Traffic Congestion--Management Traffic Control Devices Traffic Delays Traffic Law Enforcement Traffic Police Traffic Signs Traffic Signs And Signals Variable Speed Limits Visibility
Publication/ Report Number:

OR 11 ¿ 014
Resource Type:

Tech Report
Geographical Coverage:

Missouri
Edition:

Final report.
Corporate Publisher:

Missouri. Dept. of Transportation. Organizational Results
Abstract:

In May of 2008, MoDOT installed a “Variable Speed Limit” (VSL) system along the I‐270/I‐255 corridor in St. Louis. This project evaluated the VSL system and its potential impacts and benefits to the transportation users. The technical system evaluation focused on three areas ‐mobility, safety, and public and police perceptions. The VSL is not performing as desired in terms of improvements to overall mobility along the corridor, but is providing limited benefits to some segments. Noticeable benefits have been seen with respect to reduction in the number of crashes during the evaluation period. The driving public and law enforcement are widely dissatisfied with the VSL system based on their perceptions of benefits to congestion relief, compliance with posted speed limits, and overall visibility of the current sign configuration.
Format:

PDF
Funding:

TRyy0825 ; RI 08-025

TRyy0825 ; RI 08-025 Less -
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:780712e82ce5cfde9347e5d634bb2786581730e7b269e29fc1da79c3a1f94cac
Download URL:

https://rosap.ntl.bts.gov/view/dot/25621/dot_25621_DS1.pdf
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Evaluation of variable speed limits on I-270/I-255 in St. Louis.

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