Review of pertinent literature on operational aspects of left-hand ramps; time-lapse photography was used in making field studies of 3 left-hand exit ramps and one right-hand exit ramp on Congress Street Expressway in Chicago; detailed analyses of volume, speeds, density, exiting paths, and hazardous maneuvers were carried out and results used to check hypothetical formulation of operational characteristics to be expected for left-hand exit ramps.
Study of left-hand exit ramps of freeways
Nat Research Council -- Highway Research Board -- Research Record
1963
6 pages
Article (Journal)
English
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Study of operational characteristics of left-hand entrance and exit ramps on urban freeways
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