The Traffic Problem in Towns

25 feet annulus approach width area required average number average speed British Transport Commission calculations capacity carriageway space Cars with 1.5 Cars with driver cent per annum central area Central London Colin Clark controlled intersection decrease degree of saturation density DISTRIBUTION OF JOURNEY equation extra delay foot width footway given in Table Glasgow ground space required J. R. HICKS living in urban London Transport Executive losses mean journey speed mean speed minutes motorist multi-storey car parks number of persons number of vehicles number of workers parked vehicle passenger car units PROFESSOR radius rate of increase required for carriageway required for roads residential area Road Research road space required road users sin² 0)¹ speed of traffic speed range square feet square miles standard deviation T. S. ASHTON town centre urban areas urban streets vehicle parked vehicles per head vehicles per hour width of road