Benefit

In Michigan, 108 volunteers who drove 16 vehicles equipped with crash warning systems indicated the blind-spot detection component of the lane-change/merge crash warning system was the most useful and satisfying aspect of the integrated system.

Michigan experience with Integrated Vehicle-Based Safety Systems (IVBSS)


June 2011
Ann Arbor,Michigan,United States


Summary Information

This document presents results from the light-vehicle and heavy-truck field operational tests performed as part of the Integrated Vehicle-Based Safety Systems (IVBSS) program. The findings are the result of analyses performed by the University of Michigan Transportation Research Institute to examine the effects of a prototype integrated crash warning system on driver behavior and driver acceptance. Both platforms included three integrated crash-warning subsystems: forward crash; lateral drift; and lane-change/merge crash warnings. The light-vehicle platform also included curve-speed warning.

During the field operational test (FOT), 108 drivers drove 16 FOT vehicles for 40 days, 12 days of baseline period of driving without the integrated safety system activated and 28 days of driving with the IVBSS activated. The data collected represents 213,309 miles, 22,657 trips, and 6,164 hours of driving.

Findings
  • A majority of drivers reported that their driving behavior changed as a result of using the integrated system. The most frequently mentioned change was an increase in turn-signal use, which was the result of receiving lane departure warnings triggered when drivers made unsignaled lane changes.
  • While 25 percent of the younger drivers (age 20 to 30) were not interested, 72 percent of all 108 drivers said they would like to have the integrated system in their personal vehicles.
  • Drivers found the integrated system's warnings to be helpful and further believed that the integrated system would increase their driving safety.

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Source

Integrated Vehicle-Based Safety Systems Field Operational Test Final Program Report

Author: Sayer, J.; D. LeBlanc; S. Bogard; D. Funkhouser; S. Bao; M. L. Buonarosa; and A. Blankespoor

Published By: U.S. DOT, Research and Innovative Technology Administration, ITS Joint Program Office

Source Date: June 2011

Other Reference Number: DOT HS 811 482

URL: http://www.nhtsa.gov/DOT/NHTSA/NVS/Crash%20Avoidance/Technical%20Publications/2011/811482.pdf

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Benefit ID: 2011-00726