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1 SDDOT SAFETY PROGRAM. 2 Who Am I ??? CLIFF REUER TRAFFIC & SAFETY ENIGNEER SOUTH DAKOTA DEPARTMENT...
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Transcript of 1 SDDOT SAFETY PROGRAM. 2 Who Am I ??? CLIFF REUER TRAFFIC & SAFETY ENIGNEER SOUTH DAKOTA DEPARTMENT...
![Page 1: 1 SDDOT SAFETY PROGRAM. 2 Who Am I ??? CLIFF REUER TRAFFIC & SAFETY ENIGNEER SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION OFFICE OF PROJECT DEVELOPMENT 605-773-5361.](https://reader038.fdocuments.us/reader038/viewer/2022103123/56649d1b5503460f949f0a0a/html5/thumbnails/1.jpg)
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SDDOT SAFETY PROGRAM
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Who Am I ???
CLIFF REUERTRAFFIC & SAFETY ENIGNEER
SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION
OFFICE OF PROJECT DEVELOPMENT
605-773-5361
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SAFETY PROGRAM
Federal Section 402 Funds Traffic Engineer for Local Governments Reimbursement Program - 90% Materials Cities, Counties, Townships, BIA, & Tribal Spot Signing & Safety Improvements Complete Sign Improvements Projects
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SAFETY PROGRAM
Roadway Safety Improvement (RSI) Program Federal Hazard Elimination Funds $10.0 Million per Federal Fiscal Year 90 % Federally Funded 10 % Funding By Entity Having Jurisdiction
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Roadway Safety Improvement (RSI) Project - Origination Location Must Have Accident History
5 Accidents in 3 year period Plot Map Search From Accident Records
Data Base Lists Submitted From Class 1 Cities
5000 > Pop. - 14 In South Dakota
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Roadway Safety Improvement (RSI) Project - Origination (Con’t)
Lists Submitted From 4 DOT RegionsMay Also Have Other Locations For Review
Lists Submitted From Highway Patrol
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Selecting RSI Sites
Analyze Accident Summary Look For Accident Pattern Draw Collision Diagram Calculate Accident Rate Determine Benefit/Cost (B/C) Ratio
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Accidents in South Dakota 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
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Type of Accidents
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Accident Summary Details
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Collision Diagram
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Accident Rate
R= 2 (A) (1,000,000)
(T) (V)
R = Accident rate expressed in accidents per Million entering vehicles.
A= Number of accidents during days of study.
T= Time period in days.
V= Total average daily traffic entering and departing the intersection.
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Accident Rate Info. 2004 - 2006
A = 76 Accidents (3yrs) T= 365 days/yr X 3 yrs = 1095 days V= ADT Entering & Leaving – 101,080 ADT
I-190 = 18500 ADT West Blvd = 25000 ADT SD 44 – West of I-190 = 29000 ADT SD 44 - East of I-190 = 28580 ADT
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Accident Rate
R=2 (76) (1,000,000) 1095 (101,080)
R= 152,000,000
110,682,600
R = 1.37 Accidents Per Million Entering Vehicles
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Benefit Cost (B/C) Ratio
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RSI ON-SITE INSPECTION TEAM
Team MembersRegion Traffic Engineers
Road Design Representative
Traffic Design Engineer
Federal Highway Administration (FHWA)
City Representative
Highway Patrol or Local Law Enforcement
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RSI ON-SITE INSPECTION TEAM
Reviews Defined Problem Discuss Probable Countermeasure Makes Recommendation
Action at DOT Region Level - Signs & Etc.
Program A Project in State Transportation Improvement Program (STIP)
Consider Other Funding If Not Qualified For RSI Funds
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ROADWAY SAFETY AUDIT (RSA)
Process originated in Australia & New Zealand
Introduced in US in Mid 1990’s Independent Team “Think Safety” Review Construction Plans in Preliminary
Stage Make Recommendations To Designer
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ROADWAY SAFETY AUDIT REVIEW (RSAR)
Same As RSA – EXCEPT Conduct Audit on Existing Roadway
– In Slopes– Signing– Back Slopes– Objects in Clear Zone– Shoulder Drop Off
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ROADWAY SAFETY AUDIT REVIEW (RSAR) Con’t
Recommendations
1. Immediate safety improvements
2. Low cost improvements could have a positive impact on safety and should be considered in a reasonable period of time
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ROADWAY SAFETY AUDIT REVIEW (RSAR) Con’t
3. High cost improvements that should be considered as funds become available for a major rehabilitation or reconstruction of the roadway:
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5% Report
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THE END
Questions