Manual of traffic engineering studies
Traffic and transportation division, National conservation bureau, division of Association of casualty and surety executives, 1945 - Transportation - 118 pages
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Study No 1Accident Records and Facts
Study No 3Major Route Congestion
10 other sections not shown
85-percentile accident experience Accident Location Spot accident records analysis arithmetic mean automobile central business district chart check sheet checker city-wide collision diagram column condition diagram curb parking curve density determine DRIVER OBSERVANCE EMPLOYEE CARS enoscope error Field method field sheet geometric mean grand summary Graphical Hazardous hicles high accident frequency indicate intersection intervals lane LENGTH OF STUDY Manual miles per hour Motor Vehicle Volume motorists National Conservation Bureau needed number of cars O-D study OBSERVANCE OF TRAFFIC obtained off-street parking origin and destination parallel parking parking lot parking study peak pedestrian volume period PERSONNEL AND EQUIPMENT police roadway sample Sheet—The shown speed check speed study spot map spot speed staggered hours standard deviation stop sign street car summary sheets tion traffic control Traffic Engineering traffic flow traffic signals traffic survey Transit Passengers transit units transit vehicles trend trip trucks width