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Myths of UD-10s

Myths of UD-10s. What Engineers Really Do With Crash Reports. Presented By:. Dale Lighthizer, P.E. - MDOT Tracie Kalliainen, P.E. - MDOT Sgt. Jerry Hilborn - MSP. …In a Perfect World…. Myth #1. It was a dark and stormy night…. Combined Daylight, Clear/Cloudy & Dry = 42% of all crashes.

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Myths of UD-10s

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  1. Myths of UD-10s What Engineers Really Do With Crash Reports

  2. Presented By: • Dale Lighthizer, P.E. - MDOT • Tracie Kalliainen, P.E. - MDOT • Sgt. Jerry Hilborn - MSP

  3. …In a Perfect World…

  4. Myth #1 It was a dark and stormy night… Combined Daylight, Clear/Cloudy & Dry = 42% of all crashes 44% of Fatal and A Injury Crashes

  5. Myth #2 These things are only for Insurance Companies. • Enforcement • MDOT • State Agencies • Counties • Cities • FHWA • NSC • Universities • Consultants • MANY Others

  6. Myth #2 Continued… • Targeted Enforcement • Studies • Develop Crash Facts • Record Keeping • Research • Disputes

  7. Myth #3 Location isn’t very important. Everywhere Else At the Intersection 1/2 Mile 1/4 Mile 1/5 Mile 1/10 Mile

  8. Myth #3 Continued… • Safety Reviews • Poor data = Poor fix • Good data = Good fix • Location Fields • Road Name

  9. Myth #4 They don’t really need all that little “stuff”. • Vehicle Direction • Driver Date-of-Birth • Vehicle Type • Special Studies • Construction Zones • Injury Severity • Alcohol/Condition

  10. Crash Types MSP - 10 MDOT - 26 Direction Special Checks Harmful Events Prior Action When Things Go Wrong TL versus Local Stop Control Myth #5 Crash type isn’t that important.

  11. Myth #5 Continued… • Angle vs. HO-LT • RE-ST vs. RE-LT • SS-SM vs. SS-OP

  12. Myth #5 Continued…

  13. Myth #6 Picture? We don’t need no stinkin’ picture! • Verification of Crash Type • Lane Use & Vertical Curves (Hills) • Additional Crash Events • Roadway and Roadside Features • Fail to Yield

  14. Myth #6 Continued…

  15. Myth #7 Deer are damaged State property.

  16. Wrap Up ~ Crash ~ Fix~ Crash ~ Fix~ Crash ~ Fix~ Crash ~ Fix ~ Crash ~ Fix ~ Eventually there’s no more crashes to fix.

  17. Questions?

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