Grade-separated junctions and interchanges
Grade-separated junctions have been defined’ as ones which require use of an at-grade junction at the commencement or termination of the slip roads. This at-grade junction, in the form of either a major-minor priority junction or a roundabout together with the slip roads, can produce a diamond junction, a half-cloverleaf junction or a roundabout junction.
KeywordsMajor Road Slip Road Highway Traffic Minor Road Junction Type
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- 1.Department of Transport, Layout of grade separated junctions, Departmental Advice Note TA 48/86, London (1986)Google Scholar