Effects

Safety Analysis of Driveway Characteristics in South Carolina Using GIS

  • Posted on: Tue, 04/25/2017 - 14:41
  • By: fbroen
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The overall goal of this project is to enhance SCDOT’s current access management practices resulting in a reduction in crashes, injuries, and fatalities on South Carolina roadways as well as improved traffic flow. 

Findings & Conclusions

Raised Median - Economic Impact and Safety Research Findings; Application for Cooper Street

  • Posted on: Sun, 10/13/2013 - 22:21
  • By: shroedermay
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FM 157 General Findings

  • Crash frequency decreasing

  • Fewer crashes involving left-turns

  • No migration of crashes to intersections

  • Very few U-turn crashes

  • Crash severity decreasing

  • Travel times generally unchanged to small increases

Safety Impacts of Access Management: Two Case Studies

  • Posted on: Mon, 09/23/2013 - 21:04
  • By: fbroen
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Presentation Outline

  • Case Study 1-Nebraska Avenue Lane Diet

    • Before: 4-lane undivided

    • After: 2-lane divided with TWLTL

  • Case Study 2-Hillsborough Avenue Median Installation

    • Before: 6-lane with TWLTL

    • After: 6-lane with raised medians

 

Case Study 1: Discussion

  • Significant Safety Improvement

  • Improvement of all Analyzed Crash Types

  • From Worse to Better than SW Average

Safety Impacts of Access Management: Two Case Studies

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Peter Hsu, P.E.

Florida Department of Transportation

District 7

 

W. T. Bowman, P.E

Tindale-Oliver & Associates, Inc.

Tampa, FL

Presentation Outline

  • Case Study 1-Nebraska Avenue Lane Diet
    • Before:  4-lane undivided
    • After:  2-lane divided with TWLTL
  • Case Study 2-Hillsborough Avenue Median Installation
    • Before:  6-lane with TWLTL
    • After:  6-lane with raised medians

Case Study 1: Discussion