A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Operational effects of some entrance ramp geometrics on freeway merging
Study of effect of acceleration lane length, angle of convergence, and ramp grade on entrance ramp operation; studies were made at 29 entrance ramps in Houston, Los Angeles, San Francisco, Sacramento, Chicago, Detroit, St. Louis, and New York City; acceleration lanes of ramps studied ranged from 240 to 1500 ft and convergence angles ranged from 1 to 14°; technique involving time-lapse photography from circling airplane was developed.
Operational effects of some entrance ramp geometrics on freeway merging
Study of effect of acceleration lane length, angle of convergence, and ramp grade on entrance ramp operation; studies were made at 29 entrance ramps in Houston, Los Angeles, San Francisco, Sacramento, Chicago, Detroit, St. Louis, and New York City; acceleration lanes of ramps studied ranged from 240 to 1500 ft and convergence angles ranged from 1 to 14°; technique involving time-lapse photography from circling airplane was developed.
Operational effects of some entrance ramp geometrics on freeway merging
Nat Research Council -- Highway Research Board -- Research Rec
Wattleworth, J.A. (author) / Buhr, J.H. (author) / Drew, D.R. (author) / Gerig, Jr., F.A. (author)
1967
44 pages
Article (Journal)
English
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