Interchanges

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» An VRML rendering of the 15-91 interchange, Corona California. - A 4-level stack with one loop. Requires a VRML plugin to view.
» California Freeway Interchanges - Photos.
» Chris's UK Roads Directory - Bad Junctions - This page shows various badly designed interchanges.
» Images of Britain - Spaghetti Junction - The M6 at the A38(M) in Birmingham.
» Interchange Diagrams - Interchanges in Florida and New Jersey, U.S.
» Interchange of the Week - Detailed entries for locations in New York State, using official state aerial photography.
» Jughandles - Outline of this at-grade feature found mostly in New Jersey, U.S.
» Kurumi's Field Guide to Interchanges - Descriptions and diagrams of many types.
» Michigan Left Turn - Describes how this unusual intersection feature works, including history.
» Museum of Dumb Highway Design - Aerial photos of and commentary on various interchanges which the author finds unusual or substandard.
» NCRoads.com: The Interchange Museum - Diagrams of unusual interchanges in North Carolina.
» SPUI's SPUI list - A list of single point urban interchanges, a fairly new type of interchange. Includes information on what a SPUI is.
» Springfield Interchange Improvement Project - The I-95/I-395/I-495 interchange in northern Virginia is being totally rebuilt.
» The Center-Turning Overpass - Introduces a design proposal where left- and right-turning traffic in an intersection is placed on elevated roadways.
» The Echelon Interchange - Professional paper on this part-at-grade, part-grade-separated intersection. (.pdf document - requires Adobe Acrobat Reader)
» Unusual Interchanges - Diagrams and commentary of various ones in the East-Central U.S.