Dj. Houston et al., MANDATORY SEAT-BELT LAWS IN THE STATES - A STUDY OF FATAL AND SEVERE OCCUPANT INJURIES, Evaluation review, 20(2), 1996, pp. 146-159
This study examines the impact of mandatory seat belt laws on fatal an
d incapacitating injury rates in the states. Annual data for all 50 st
ates for the period 1975-1991 are used. Pooled time series analysis is
employed. The general conclusion that emerges from this analysis is t
hat seat belt laws significantly impact state fatal injury rates. Prim
ary enforcement and all-seat coverage provisions appear to be particul
arly effective in reducing fatality rates.