Forward collision warning systems have potential to prevent 23.8 percent of crashes involving large trucks.

An analysis of the Nationwide Large Truck Crash Causation Study (LTCCS)

Nationwide,United States

Summary Information

This study used real-world crash data to estimate the size of crash populations that could benefit from crash avoidance countermeasures. Using investigative information from 1070 crashes examined during the 2001 to 2003 Large Truck Crash Causation Study (LTCCS) researchers identified a discrete set of crash scenarios where countermeasures may be applicable. The study focused on crashes involving large trucks where a significant number of injuries and fatalities could be avoided.

The LTCCS data were collected at 24 representative locations across the United States. Analysis of these data indicated that 80 to 90 percent of recorded crashes were associated with driver related factors or driver error. Countermeasures were estimated to have helped or prevented 52 percent of truck versus light vehicle crashes and 70 percent of truck versus non-motorist crashes. These target populations provided the information needed to calculate system effectiveness.


The following data listed in Table 3 of the source report and drawn from the LTCCS Analysis Report (Kingsley 2009) ranked ITS countermeasures by their potential to prevent crashes.

Advanced Crash
Avoidance Technologies
Percentage of LTCCS
Crashes (n=1070)
Forward Collision Warning (FCW)
Electronic Stability Control (ESC)
Roll Stability Control (RSC)
Lane Departure Warning (LDW)
Blind Spot Detection (BSD)
Drowsy Driver Warning
Tire Pressure Monitoring System (TPMS)
Backover Crash Prevention
Night Vision

*The total value in the chart takes into account overlap among the systems and is not the sum of the percentage of crashes applicable for each technology.

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Evaluating crash avoidance countermeasures using data from FMCS's/NHTSA's large truck accident causation study

Author: Kingsley, K. J.

Published By: National Highway Traffic Safety Administration (NHTSA

Source Date: 2009

Other Reference Number: Paper No. 09-0460



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Benefit ID: 2012-00811