large truck crashes michigan traffic safety summit east lansing michigan march 13 2007
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LARGE TRUCK CRASHES Michigan Traffic Safety Summit East Lansing, Michigan March 13, 2007. PRESENTED BY: Capt. Robert R. Powers Commanding Officer Motor Carrier Division Michigan State Police. Federal Motor Carrier Safety Administration (FMCSA) - Large truck crash causation study (LTCCS)

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large truck crashes michigan traffic safety summit east lansing michigan march 13 2007

LARGE TRUCK CRASHESMichigan Traffic Safety SummitEast Lansing, MichiganMarch 13, 2007

PRESENTED BY:

Capt. Robert R. Powers

Commanding Officer

Motor Carrier Division

Michigan State Police

slide2
Federal Motor Carrier Safety Administration (FMCSA)

- Large truck crash causation study (LTCCS)

  • Evaluated 967 serious truck crashes, 181,000 total crashes
  • 2001-2003
  • Cost of study $18 million
  • Data collected:

- 17 states participated, including Michigan

- In Michigan: Genesee, Muskegon, Washtenaw

- Up to 1,000 data elements collected in each crash

  • First nation-wide examination of all pre-crash factors
highlights of the ltccs
HIGHLIGHTS OF THE LTCCS
  • Previously held belief – car driver at fault 70% of the time.
  • LTCCS finding – car driver at fault 56% of the time.
  • Driver (both car and truck) factors/error overwhelmingly the cause of truck crashes.
  • Other factors such as equipment failure (10.1%), engineering (16%) and road condition (13%) seldom a causation factor.
continued
Continued

CONCLUSION: More focus must be given to the truck driver.

  • Speed, fatigue, prescription drug use are significant factors for both car and truck drivers.
top five crash types
TOP FIVE CRASH TYPES
  • REAR END (23.1%)
  • Ran off roadway/lane usage (17.8%)
  • Side swipe/same direction (10.3%)
  • Rollover (8.9%)
  • Turning/into path (8%)
top five truck related critical events
TOP FIVE TRUCK RELATED CRITICAL EVENTS
  • Over the lane/ran off roadway (32.1%)
  • Loss of control (28.6%)
  • Other motor vehicle in travel lane (21.7%)
  • Turning/intersection (10.3%)
  • Pedestrian/bicycle/other (2.5%)
top five truck related critical reasons
TOP FIVE TRUCK RELATED CRITICAL REASONS
  • Driver decision (38%)
  • Driver recognition (28.4%)
  • Driver non-performance (11.6%)
  • Vehicle factor (10.1%)
  • Driver performance (9.2%)
top five truck related associated factors
TOP FIVE TRUCK RELATED ASSOCIATED FACTORS
  • Brake failure (29.4%)
  • Traffic flow interruption (28.0%)
  • Prescription drug use (26.3)
  • Speed too fast for conditions (22.9%)
  • Unfamiliar with roadway (21.6%)
construction zone crashes
CONSTRUCTION ZONE CRASHES
  • 50 percent increase in work zone fatalities between 1997 and 2004.
  • 24 percent of fatal crashes in work zones involve a large truck.
  • Most work zone crashes occur:

- on weekdays

- during daylight and between noon and

3 p.m.

continued1
Continued
  • Merging process is especially problematic for drivers of large trucks.
  • Large trucks are over represented in work zone crashes.

- Large trucks = 10.3% of all registered

vehicles.

- Large trucks = 16.1% of total motor vehicle

miles traveled.

- Large trucks = 24% of all fatal work zone

crashes.

michigan specific facts
MICHIGAN SPECIFIC FACTS
  • Michigan domiciled carriers are over-represented in Michigan truck crashes –

10-15 percent higher.

  • Michigan has higher percentage of trucks 10,001 - 26,200 pounds involved in crashes –

15-20 percent higher.

  • Michigan has higher crash involvement by dump trucks, doubles, auto transporters.
continued2
Continued:
  • Canadian trucks account for only 2 percent of truck crashes in Michigan.
  • 65 percent of truck crashes occur on two lane roads.
conclusion counter measures
CONCLUSION & COUNTER MEASURES
  • More resources must be directed to commercial vehicle enforcement.
  • More focus on driver behavior (both car and truck drivers).
resources
RESOURCES

State Police Motor Carrier Division can Provide:

  • Commercial vehicle enforcement awareness training.
  • Assistance with truck crash investigations

- Post crash inspection of vehicle

- Evaluation of compliance with hours of service

regulations

- Evaluation of compliance with State and

Federal Motor Carrier Safety Regulations

continued3
Continued:
  • Assistance with hazardous materials incidents.
  • Special investigation of motor carrier complaints and incidents.
  • Specialized/advanced CMV training.

- Trucks and terrorism

- CMV drug interdiction

questions
QUESTIONS????????

Additional information:

  • www.fmcsa.dot.gov
  • www.atri-online.org
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