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Wide medians and level differences of parallel roadways prevent head-on collisions and glare from headlights; use of medians over 100 ft wide of uniform width; small medians only in urban areas; problems of proper location of interchanges; exit and entrance ramps of service areas should be same length as those of interchanges; trumpet type of interchange has proved economical and functional for toll highways.
Wide medians and level differences of parallel roadways prevent head-on collisions and glare from headlights; use of medians over 100 ft wide of uniform width; small medians only in urban areas; problems of proper location of interchanges; exit and entrance ramps of service areas should be same length as those of interchanges; trumpet type of interchange has proved economical and functional for toll highways.
Geometric design of modern highway
Civ Eng (NY)
Lang, C.H. (author)
1960
3 pages
Article (Journal)
English
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