Interchanges are complex intersections between two or more roads involving connector ramps. The main roadways in interchanges are usually grade-separated (use of overpasses), though some unusual examples include at-grade intersections where there usually are grade separations.
Related categories 1
Kurumi's Field Guide to Interchanges
Descriptions and diagrams of many types.
Highway Feature of the Week
Large archive of maps and descriptions of unusual or complicated facilities, primarily in the United States.
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.
Diagrams and commentary of various ones in the East-Central U.S.
US Highway Interchange Browser
Covers Michigan and North Carolina.
An VRML rendering of the 15-91 interchange, Corona California.
A 4-level stack with one loop. Requires a VRML plugin to view.
Includes aerial photographs and descriptions of unusual or complicated facilities in the United States.
Last update:May 5, 2016 at 16:54:03 UTC