The adjustment of streets to modern traffic requirements
Harvard University, Bureau for Street Traffic Research, 1931 - Traffic engineering - 432 pages
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accidents Albert Russel Erskine alley Arcaded Sidewalk automobiles average Boston bridges buildings buses business district cabs Camden Bridge caused cent central area central district CHAPTER Chicago columns condition cost of congestion cross movement curb delay depressed street designed Detroit drive efficient elevated street entrance expense figures gasoline gestion Grade Separation highway Holland Tunnel improvement increased intersection lanes large cities large numbers light loading located loss mass transportation number of vehicles operation parking passengers placed Plate points rapid transit roadway routes Safety Zone San Francisco Scott Circle second floor arcade set back show windows shown signal speed stairs stairways stop street car street space street width subway super business area Super Business Block surface taxicabs traffic circle traffic congestion traffic movement traffic requirements transportation facilities trucks turn utility platforms volume of traffic Wacker Drive widening Wrigley Building York City