Did California’s hand-held cell phone ban reduce accidents? |
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| Institution: | 1. RAND Corporation, Arlington, VA, USA;2. Department of Economics, University of Colorado Boulder, 11 Economics Building, Boulder, CO 80309, USA;3. Division of Mathematics and Computer Science, Colorado School of Mines, USA;1. The Cho Chun Shik Graduate School of Green Transportation, Korea Advanced Institute of Science and Technology, 193, Munji-ro, Yuseong-gu, Daejeon, 34051, Republic of Korea;2. School of Civil, Environmental and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk Gu, Seoul, 02841, Republic of Korea;3. Department of Civil and Urban Engineering, New York University, Brooklyn, NY, 11201, United States;4. Department of Civil and Environmental Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea;1. Cisalva Institute, Universidad del Valle, Cali, Colombia;2. School of Public Health, Universidad del Valle, Cali, Colombia;3. Student of Doctoral Program in Health, School of Health, Universidad del Valle, Cali, Colombia;4. GITTV Research Group, School of Engineering, Universidad del Valle, Cali, Colombia;5. GERA Research Group, School of Social Sciences and Economics, Universidad del Valle, Cali, Colombia;6. Social Medicine Institute, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;7. School of Natural Sciences and Mathematics, Pontificia Universidad Javeriana, Cali, Colombia;8. Traffic Injury Research Foundation, Ottawa, Ontario, Canada;9. Institute for Clinical Research Education, University of Pittsburgh, Pittsburgh, PA, USA;1. Department of Civil and Environmental Engineering, University of Memphis, 3815 Central Avenue, Memphis, TN 38152, United States;2. Texas A&M Transportation Institute, 1100 N.W. Loop 410, Suite 400, San Antonio, TX 7821, United States;3. Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, 301 E. Dean Keeton St. Stop C1761, Austin, TX 78712, United States;4. Intermodal Freight Transportation Institute, University of Memphis, 302 Engineering Sc. Bldg., Memphis, TN 38152, United States;1. Centre for Accident Research and Road Safety-Queensland (CARRS-Q), Queensland University of Technology (QUT), Australia;2. School of Psychology and Counselling & Institute for Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Australia;3. Recover Injury Research Centre, The University of Queensland, Australia;1. School of Transportation, Southeast University, China;2. Jiangsu Key Laboratory of Urban ITS, China;3. Jiangsu Province Collaborative Innovation Center of Modern, Urban Traffic Technologies, China |
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| Abstract: | On July 1st, 2008, California enacted a ban on hand-held cell phone use while driving. Using California Highway Patrol panel accident data for California freeways from January 1st, 2008 to December 31st, 2008, we examine whether this policy reduced the number of accidents on California highways. To control for unobserved time-varying effects that could be correlated with the ban, we use high-frequency data and a regression discontinuity design. We find no evidence that the ban on hand-held cell phone use led to a reduction in traffic accidents. |
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| Keywords: | Cell phone ban Traffic safety Regression discontinuity |
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