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Analysis of the Field Effectiveness of General Motors Production Active Safety and Advanced Headlighting Systems
Leslie, Andrew J.
Leslie, Andrew J.
2019-07
Abstract: The safety system content of over 3.7 million vehicles across 20 different GM Model Year 2013-2017 vehicles were
provided by GM to UMTRI to examine the field effectiveness of 15 Active Safety and Advanced Headlighting systems.
These data were matched to police-report data from vehicles involved in crashes using 10 state crash databases. Using the
quasi-induced exposure method, comparisons of system-relevant and control crash counts for equipped and unequipped
vehicles were used to estimate field effectiveness using logistic regression. Results indicated Automatic Emergency Braking
reduced rear-end striking crashes by 46%, Lane Keep Assist with Lane Departure Warning reduced lane departure-related
crashes by 20%, Lane Change Alert with Side Blind Zone Alert reduced lane change crashes by 26%, Reverse Automatic
Braking (offered with several backing systems) reduced backing crashes by 81%, and Intellibeam (automatic high beams)
and High-Intensity Discharge (HID) headlight features provided 35% and 21% reductions, respectively, in nighttime
pedestrian/bicyclist/animal crashes relative to halogen headlights (with a 49% reduction when offered together). These
results provide further evidence of the substantial safety benefit opportunities afforded by the systems evaluated.