The report presents an analysis of the travel, crash frequencies, and crash rates of large trucks registered in Michigan. The research approach and survey methods are described. Estimates of the travel and population of Michigan-registered tractors are presented, along with crash frequencies for several subsets of interest. The factors addressed in the risk analysis are: truck type, crash severity (fatal, injury, property-damage-only (PDO)), road type (limited access, major artery, other), urban/rural, day/night. The results indicate that the bobtail tractor configuration has the highest risk on all parts of the Michigan highway system. Crash rates for singles and doubles are quite similar overall, though the doubles rate is higher for casualty crashes on major artery and other roads. Limited access roads had the lowest rates, followed by major arteries, and other roads.
Michigan Heavy Truck Study
1990
170 pages
Report
No indication
English
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