ROADWAY SAFETY IMPROVEMENT RSI ROAD SAFETY AUDITS

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ROADWAY SAFETY IMPROVEMENT(RSI)ROAD SAFETY
AUDITS AUDIT REVIEWS

• CLIFF REUER
• TRAFFIC SAFETY ENGINEER
• SDDOT
• OFFICE OF PROJECT DEVELOPMENT
• 605-773-5361

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Roadway Safety Improvement (RSI)

• 90 Federal funds.
• Locations with above average number of accidents.
• Accident records search 5 accidents in 3 year
  period.
• Locations submitted by Regions, Class 1 Cities,
  Highway Patrol.

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Conducting RSI Inspection

• Look for accident pattern.
• Analyze collision diagram.
• Calculate accident rate gt 2.0.
• Benefit Cost gt 1.00.
• On site inspection by RSI Team.
• Program in STIP.

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Accident in South Dakota 2004 - 2006
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Class 1 Cities with 5 crashes _at_ Inter. 2004-2006
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Class 1 Cities with 5 crashes _at_ Inter. 2004-2006
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City of Pierre Inter 2004 - 2006
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City of Rapid City Inter. 2004 - 2006
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I-190/West Blvd SD44/Omaha
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I-190/West Blvd SD44/Omaha p.1
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I-190/West Blvd SD44/Omaha p.2
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I-190/West Blvd SD44/Omaha
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City of Pierre Mid Block 2004 - 2006
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City of Pierre Mid Block 2004 - 2006
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Rural Crashes State System
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Rural Crashes State System
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Crash Summary (Rural I-90 E. of S. Falls)
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Crash Summary (I-90 E. of S. Falls - p2 )
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Crash Details (Rural I-90 E. of S. Falls)
P 1 of 3
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Rural Off State System 2004 - 2006
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Animal Crashes Rural State Local(2005)
Green Wild Purple Domestic
Total 5011
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Rural Animal Hits Near Sioux Falls
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Road Safety Audit (RSA)

• A Road Safety Audit is an examination of a future
  roadway project, by an independent audit team,
  focusing solely on safety.

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Road Safety Audit Review (RSAR)

• A Road Safety Audit Review is an examination of
  an existing roadway, by an independent audit
  team, focusing solely on safety issues.
• RSA RSAR are proactive while historical safety
  programs are reactive.

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Conducting the Audit/Review

• Is a Formal Process.
• Tailored to your issues.
• Both processes use an independent audit team
  approach.
• Team should consist of Traffic/Safety, Design,
  Construction Maintenance expertise, SDLTAP
• If on Local Roads Local entity should be
  represented

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Conducting the Audit/Review (2)

• Audit can include on site review.
• Audit Review is an on site review.
• Audit results in a report to the designer.
• Audit Review report to the owner.

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Use of Crash Data

• The RSA RSAR use crash data as background
  information.
• Funding through the federal program still tied to
  crashes.
• South Dakota has funding in State Transportation
  Improvement Program (STIP) to address RSAR
  findings.

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Audit of Proposed Project

• Conduct when designer has plans 50 - 75 complete
  or before plans review process.
• Designer reviews and presents plans to audit
  team.

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Audit Considerations

• Design standards used.
• Need for acceleration deceleration lanes.
• Review turning templates.
• Parking removal.
• Access management.
• Sight restrictions

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Audit Review of Existing Roads

• Used to identify safety deficiencies of existing
  roads.
• Are safety needs of road users being met?
• Has the use of the roadway changed over time.
• Have standards changed.
• May be performed on a newly opened road.

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Audit Review Considerations

• Steep in slopes.
• Edge drop off.
• Sight distance restrictions.
• Need for safety pipe ends.
• Obstacles in clear zone/right of way.
• Surface defects
• Signing and striping deficiencies

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Audit Review Findings

• Divided into three categories
• Immediate safety improvements that should be made
  Vegetation, Delineation in clear zone, signing.
• Low cost improvements that could have a positive
  impact on safety Signing, Clear the clear zone.
• High cost improvements that should be considered
  when funds are available for a major
  rehabilitation Construction, Re-construction.

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Liability Concerns

• Can we be sued?
• List of needs protected by Sec 409.
• Best not to ignore safety related items.
• Defense - Creates plan to be completed as funds
  become available.

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Summary

• RSA RSAR can be applied to all roads.
• Can be proactive dont have to wait for
  accidents.
• Can identify design changes low cost fixes.
• Can be used as a punch list for short term fixes
  and in planning long term needs.
• Liability should not be a concern.

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• QUESTIONS ??