1. 1 SDDOT SAFETY PROGRAM

2. 2 Who Am I ??? CLIFF REUER TRAFFIC & SAFETY ENIGNEER SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION OFFICE OF PROJECT DEVELOPMENT 605-773-5361

3. 3 SAFETY PROGRAM n 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

4. 4 SAFETY PROGRAM n 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

5. 5 Roadway Safety Improvement (RSI) Project - Origination n Location Must Have Accident History  5 Accidents in 3 year period n Plot Map Search From Accident Records Data Base n Lists Submitted From Class 1 Cities  5000 > Pop. - 14 In South Dakota

6. 6 Roadway Safety Improvement (RSI) Project - Origination (Con’t) n Lists Submitted From 4 DOT Regions  May Also Have Other Locations For Review n Lists Submitted From Highway Patrol

7. 7 Selecting RSI Sites n Analyze Accident Summary n Look For Accident Pattern n Draw Collision Diagram n Calculate Accident Rate n Determine Benefit/Cost (B/C) Ratio

8. 8 Accidents in South Dakota 2004 - 2006

9. 9 City of Rapid City Inter. 2004 - 2006

10. 10 I-190/West Blvd & SD44/Omaha

11. 11 I-190/West Blvd & SD44/Omaha

12. 12 Type of Accidents

13. 13 Accident Summary Details

14. 14 Collision Diagram

15. 15 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.

16. 16 Accident Rate Info. 2004 - 2006 n A = 76 Accidents (3yrs) n T= 365 days/yr X 3 yrs = 1095 days n V= ADT Entering & Leaving – 101,080 ADT n I-190 = 18500 ADT n West Blvd = 25000 ADT n SD 44 – West of I-190 = 29000 ADT n SD 44 - East of I-190 = 28580 ADT

17. 17 Accident Rate R= 2 (76) (1,000,000) 1095 (101,080) R=R= 152,000,000 110,682,600 R = 1.37 Accidents Per Million Entering Vehicles

18. 18 Benefit Cost (B/C) Ratio

19. 19 RSI ON-SITE INSPECTION TEAM n Team Members  Region Traffic Engineers  Road Design Representative  Traffic Design Engineer  Federal Highway Administration (FHWA)  City Representative  Highway Patrol or Local Law Enforcement

20. 20 RSI ON-SITE INSPECTION TEAM n Reviews Defined Problem n Discuss Probable Countermeasure n 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

21. 21 ROADWAY SAFETY AUDIT (RSA) n Process originated in Australia & New Zealand n Introduced in US in Mid 1990’s n Independent Team n “Think Safety” n Review Construction Plans in Preliminary Stage n Make Recommendations To Designer

22. 22 ROADWAY SAFETY AUDIT REVIEW (RSAR) n Same As RSA – EXCEPT n Conduct Audit on Existing Roadway – In Slopes – Signing – Back Slopes – Objects in Clear Zone – Shoulder Drop Off

23. 23 ROADWAY SAFETY AUDIT REVIEW (RSAR) Con’t n 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

24. 24 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:

25. 25 5% Report

26. 26 THE END n Questions