Tab 9

Case Studies

Minor Accident

Single Vehicle Accident

Pavement Surface Irregularity

Two Vehicle

Crash

Impact Area

Looking East from Impact

Looking West From Impact

General Scene Views

Two Vehicle Crash

Minnesota State Highway 22 atBlue Earth County Road 10

Scene Views

Looking

South

Looking East

Looking North

Stop Sign

Position of Rest of car underneath semi-trailer (controlled stop by truck driver)

Intrusion of car underneath the trailer

Evaluate Line of Sight PotentialEvaluate Visual Cues to a Driver

Stop

US Hwy 287 at 3rd St, Wiley, CO

• 2-lane, asphalt, through highway

• Major North-South truck route through eastern CO

• 2-lane, asphalt, “city” street, “T” intersection

• Rural, farming area north of Lamar, CO

• Mid-day accident, clear, sunny, dry spring day

• Car driver had purchased car within 2 days of accident

• Car westbound and turning left from stop sign

• TTST was northbound on US 287 and struck car broadside

RIGHT LANE

MUSTTURN RIGHT

STOP

Summary

“Do I Have Everything??”If the Information is not

collected and recorded in a timely manner, then it will probably be lost forever!

Thank You!!!