Successes in Reducing Highway Fatalities Kathy Harvey, MoDOT State Design Engineer July 16, 2008 Albuquerque, N.M.

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Presentation transcript:

Successes in Reducing Highway Fatalities Kathy Harvey, MoDOT State Design Engineer July 16, 2008 Albuquerque, N.M.

Fatal Crash Locations Are Random

Fatal Crash Types Are Not Random

Identifying The Essential Eight 1. Primary Seat Belt Law 2. Public Education 3. Targeted Enforcement 4. Punish Drunk Drivers 5. Median Cable Barrier 6. Rumble Strips 7. Signs & Stripes 8. Shoulders System Improvements

With a 32,000-mile system, where to start? System-wide Solutions Major & Minor RoadsMajorMinor Roadway Miles5,50026,500 Miles Traveled80%20% Fatalities45%55%

Build good projects everywhere, instead of perfect projects somewhere. By doing so, the entire system improves, not just a few locations.

The First Ground Rule…

Missouri Progress Guard cable 500 miles of cable installed on our interstates since ’04. Low and High Tension. Studied all reported cross- median crashes, (1,400) 95% success rate Vehicles did not enter opposing lanes.

Safety Analysis: Guard Cable

Missouri Progress Smooth Roads Initiative Made 2,200 miles of our major roads safer. Smoother pavement, brighter striping, rumble stripes Early completion estimated to save 14 lives and prevent 589 injuries.

Smooth Roads Initiative TREATMENTS New Roadway Surface Asphalt - Overlay Concrete - Diamond Grind 6” Edgelines: Rumble Stripe (Epoxy) 6” Lane Lines: 3M “Waffle Tape” Some wet-reflective

Smooth Roads Initiative Delineate everything Emergency Reference Markers Sign upgrades TREATMENTS

Missouri Progress Better Roads, Brighter Future Focusing on 5,573 miles that carry 80 percent of all traffic – work includes surface treatments, wider stripes and paved shoulders. Will bring major roads up to 85 percent in good condition by end of 2011.

Better Roads, Brighter Future TREATMENTS All major roads (5,500 mi) will have Minimum 4-foot paved shoulder Smooth driving surface Improved signing 1,000+ miles will receive Edgeline and Centerline rumble stripes

Imbed Safety into Policy Rumble Stripes (Edgeline & Centerline) All major roads All minor roads with crash history 6-inch Stripes for Major Roads All Edgeline Multi-lane skips Curve Speed Plaques Every Curve/Turn sign

Missouri Progress Missouri led the nation in saving lives in Of the 868 fewer traffic deaths nationwide, Missouri accounted for 161 of them.

Safety Analysis: Saving Lives

Missouri Progress 21 percent decrease in fatalities from 2005 to percent decrease in fatalities from 2006 to ,257 fatalities in ,096 fatalities in fatalities in Haven’t had fewer than 1,000 fatalities since 1993 – 15 years ago.

How We Know it’s Working…

The Future? The possibility of truck-only lanes on I-70. SEIS underway.

The Future? Shared Four-Lane. One under construction now.

For More Information: Kathy Harvey, State Design Engineer Missouri Department of Transportation