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    Direct Observation of Safety Belt and Motorcycle Helmet Use in Michigan: Fall 1993

    F. M. Streff / D. W. Eby / L. J. Molnar et al. | NTIS | 1993
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Direct Observation of Safety Belt Use in Michigan: Summer 1992

    F. M. Streff / L. J. Molnar / C. Christoff | NTIS | 1993
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Michigan OMNIBUS State Traffic Safety Survey: Fall 1992

    F. M. Streff / L. J. Molnar / R. H. Schultz et al. | NTIS | 1993
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Direct Observation of Safety Belt Use in Michigan, Fall 1994

    D. W. Eby / F. M. Streff / C. Christoff | NTIS | 1994
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Direct Observation of Safety Belt Use In Michigan, Fall 1995

    D. W. Eby / F. M. Streff / C. Christoff | NTIS | 1995
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Validity and Reliability of Police-Reported Crash Data: The New Michigan UD-10

    F. M. Streff / C. Christoff | NTIS | 1995
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Effects of Drone Radar and Police Enforcement on Travel Speeds: Test on a 65 MPH Freeway and 55 MPH Construction Zone

    F. M. Streff / L. P. Kostyniuk / C. Christoff | NTIS | 1995
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Evaluation of User Perceptions and Behaviors of FAST-TRAC: Pilot Study Results

    D. W. Eby / F. M. Streff / R. R. Wallace et al. | NTIS | 1996
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Profile of Adolescent Drivers Convicted of Felony Drunk Driving

    D. W. Eby / M. L. Hopp / F. M. Streff | NTIS | 1996
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst

    Direct Observation of Safety Belt Use in Michigan: Fall 1996

    D. W. Eby / C. Christoff | NTIS | 1996
    Publisher: Michigan Univ., Ann Arbor. Transportation Research Inst