Parker, M. R. J., & Zegeer, C. V. (1989). Traffic conflict techniques for safety and operations : observers manual (Report No. FHWA-IP-88-027 ,NCP 3A9C0093). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/14308
Parker, M. R., Jr. and C. V. Zegeer. Traffic conflict techniques for safety and operations : observers manual. Report no. FHWA-IP-88-027 ,NCP 3A9C0093. United States. Federal Highway Administration, 1989. https://rosap.ntl.bts.gov/view/dot/14308.
Parker, M. R., Jr., and C. V. Zegeer Traffic conflict techniques for safety and operations : observers manual. United States. Federal Highway Administration, 1989, Report no. FHWA-IP-88-027 ,NCP 3A9C0093, ROSA P. https://rosap.ntl.bts.gov/view/dot/14308.
This manual provides basic background information and step-by-step procedures for conducting traffic conflict surveys at signalized and unsignalized intersections. The manual was prepared as a training aid and reference source for persons who are assigned the responsibility of conducting traffic conflict observations at intersections. Based on previous research and experiences, the survey techniques described in this manual provide a standard, cost-effective method for accurately observing and recording traffic conflicts. The manual contains definitions with illustrations and examples of conflict types, and instructions for conducting the field activities, including time schedules, forms, and other details. 42 p.
Parker, M. R. J., & Zegeer, C. V. (1989). Traffic conflict techniques for safety and operations : observers manual (Report No. FHWA-IP-88-027 ,NCP 3A9C0093). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/14308
Parker, M. R., Jr. and C. V. Zegeer. Traffic conflict techniques for safety and operations : observers manual. Report no. FHWA-IP-88-027 ,NCP 3A9C0093. United States. Federal Highway Administration, 1989. https://rosap.ntl.bts.gov/view/dot/14308.
Parker, M. R., Jr., and C. V. Zegeer Traffic conflict techniques for safety and operations : observers manual. United States. Federal Highway Administration, 1989, Report no. FHWA-IP-88-027 ,NCP 3A9C0093, ROSA P. https://rosap.ntl.bts.gov/view/dot/14308.
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ensure public access to scientific information.
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