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HE 372 .C4 1926
COPYRIGHT 1926
BY
THE CHICAGO ASSOCIATION OF COMMERCE
Transpod
CHAPTER
I
PART I
REPORT OF THE METROPOLITAN SURVEY
PURPOSE AND METHODS OF THE METROPOLITAN STREET TRAFFIC SURVEY..
Area Covered by the Survey..
Purpose of the Survey.
Subjects Covered by the Study.
PAGE
1
6
10
Exchange of Traffic Between the Urban and Metropolitan Areas...
Concentration of Street Traffic in the Central Business District. . . . .
The Future of Street Traffic in Chicago...
III
FACTORS THAT HAVE INCREASED THE DENSITY OF STREET TRAFFIC IN CHI-
IV
PHYSICAL AND OTHER CONDITIONS THAT HAVE COMPLICATED STREET
TRAFFIC IN CHICAGO...
50
Restrictions Caused by Lake Michigan...
V
ECONOMIC EFFECTS OF STREET TRAFFIC CONGESTION
The Effect of the Chicago River on Traffic Conditions....
Physical Conditions in the Streets That Have Led to Congestion.
Lack of Adequate Regulation of Traffic...
Relation Between Street Traffic and Business...
Accessibility as a Factor in Business Values..
Decentralization the Inevitable Result of Congestion.
Direct Costs of Street Congestion..
51
55
66
69
70
71
75
Central Business District Accidents Reduced by Signal System..
Hourly Variations in Traffic Flow and Accidents.