Interchanges
An VRML rendering of the 15-91 interchange, Corona California.
A 4-level stack with one loop. Requires a VRML plugin to view.
Continuous Flow Intersections
Engineering firm page illustrating the connections in this feature. Includes illustrations and a video demonstration.
Highway Feature of the Week
Large archive of maps and descriptions of unusual or complicated facilities, primarily in the United States.
Interchange of the Week
Detailed entries for locations in New York State, using official state aerial photography.
Interchanges
Page describing types found in the United Kingdom. Includes a link to the Bad Junctions page.
Interstate Interchange Browser
Uses Google Maps to locate every interchange on the U.S. Interstate system.
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.
The Parallel Flow Intersection
A specialized intersection. Page includes diagrams and research.
WhereRoadsMeet
Contains aerial photographs and descriptions of unusual or complicated facilities in the United States.
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