Road department of Cook County, Ill, studied 311 crossings to determine amount of vehicular delay; average hours of delay in 6 hr period was 3.89; study to be used for rank order list to serve as priority guide for construction of grade separations.
Survey railroad crossings at grade for traffic delays
Better Roads
Better Roads ; 27 , n 6
1957
Article (Journal)
English
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Engineering Index Backfile | 1889
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