Crashes and interventions: Wreck frequency varies widely by state

Published May, 08 2013

Previously in the CSA’s Data Trail “Crashes and interventions” installment: “CSA’s crash flaw”

Truck-involved accident rates map

Truck-involved accident rates top tensWhere is a collision with a heavy-duty truck most likely to happen? That dubious distinction goes to New Jersey.

The ranking is based on analysis of federally recordable truck-involved crash data over three years, 2010-12, by Overdrive and sister company RigDig Business Intelligence (RigDig.com/bi). The Garden State had 12 truck-involved wrecks occurring for every 10 lane-miles of National Highway System roadway during that period.

As with the other BASICs (Behavioral Analysis and Safety Improvement Categories) in the Compliance, Safety, Accountability Safety Measurement System (SMS), the Crash Indicator BASIC attempts to accommodate exposure differences by comparing carriers with similar numbers of total crashes for purposes of associated carrier percentile rankings.

To access rankings for the entire 48 continental U.S. states based on truck-involved fatalities, injuries and tow-away crashes, visit OverdriveOnline.com/CSA, where you can also view interactive maps and download full crash- and inspection-data reports ranked by state.
To access rankings for the entire 48 continental U.S. states based on truck-involved fatalities, injuries and tow-away crashes, visit OverdriveOnline.com/CSA, where you can also view interactive maps and download full crash- and inspection-data reports ranked by state.

Given the wide variance in crash occurrence intensity by region, small carriers operating primarily in congested regions are likely to be compared to larger entities operating in less-dense areas. Though FMCSA normalizes crash data by exposure – using carrier-provided figures for annual vehicle miles traveled and total power units – neither of the measures are relative to operating region.

It’s no surprise that the remaining top 10 states for truck wrecks also are east of the Mississippi River, where traffic is heaviest.

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