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Design of Intersection (1)

Posted by aditya | 9:31 PM | | 1 comments »

At intersection there are through, turning and crossing traffic and these traffic movements may be handled in different ways depending on the type of intersection and its design. Generally intersection problems are unavoidable except in case of expressway of freeway systems where such problems are avoided by providing grade separated intersection and controlled access. The efficiency, safety, speed, cost of operation and capacity of the road system very much depend on the intersection design. Pedestrian movements at intersection produce increased potential hazards and delays.


picture from www.texasfreeway.com

Intersection may be classified into two broad groups:
  • Intersection at grade These include all roads which meet at more or less the same level
  • Grade separated intersection The intersecting roads are separated by difference in levels


picture from www.aucklandcity.govt.nz

Highway and Transport Engineering
and this section is about Design of Intersection
(refference : Khanna, S.K., Justo, C.E.G., Highway Engineering, 3th edition, Nem Chand & Bros Roorkee (U.P.), 1976.)


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