Photographic Enforcement of High-Occupancy Vehicle-Hov Lanes
Can still-photos be used for automated enforcement of HOV lane violations? Can it consistently and adequately record the actual number of occupants in moving vehicles? Can individuals who personally observe moving vehicles from a roadside position consistently and accurately detect the actual number of occupants? This report has the answers.
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_ _ _Х_ _ Х __ ä __ Q __ Х _Х_ _ _ 45 degrees actual number Business 80 California Highway Patrol CAMERA POSITION camera system CLEAR PHOTOGRAPHY NOTES conducted DETERMINE IF PHOTOGRAPHS equipment FIELD SURVEY flash unit focus point freeway high occupancy vehicle HOV lane enforcement HOV lane violations IDEAL CONDITIONS I.E. IMAGES OF OCCUPANTS INFANT NANNEQUIN interior visibility Lens Flare license plate LIGHTING LOCATION motorists moving vehicles number of discrepancies number of occupants OBJECTIVE occupant counts occupant detection OCCUPANTS UNDER IDEAL Operational Planning Section photographic documentation photographic enforcement photographic system PRODUCE ADEQUATE IMAGES Q Q Q R/R PASS RESTRAINT SEAT roadside sensor setup SHARP VISUAL shutter speed STATIONARY VEHICLE still-photography SUBJECT VEHICLE SUNNY CLEAR PHOTOGRAPHY TEST Total number Traffic Safety vehicle interiors vehicle occupants vehicle speed
Page 2 - the management and regulation of traffic to achieve safe, lawful, and efficient use of the highway transportation system." As a major statewide law enforcement agency, the secondary mission of the department is to assist in emergencies exceeding local capabilities.