See also:

• Recreation: Roads and Highways: Exit Lists  (86)

Kurumi's Field Guide to Interchanges -  .

- Descriptions and diagrams of many types.

California Freeway Interchanges - - Photographs from around the state.

Continuous Flow Intersections - - Engineering firm page illustrating the connections in this feature. Includes illustrations and a video demonstration.

The Echelon Interchange - - Professional paper on this part-at-grade, part-grade-separated intersection. [PDF.

Highway Feature of the Week - - Large archive of maps and descriptions of unusual or complicated facilities, primarily in the United States.

Highway Heaven Blog - - Includes aerial photographs and commentary about certain features.

Images of Britain - Spaghetti Junction - - The M6 at the A38(M) in Birmingham.

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.

NCRoads.com: The Interchange Museum - - Diagrams of unusual interchanges in North Carolina.

Unusual Interchanges - - Diagrams and commentary of various ones in the East-Central U.S.

An VRML rendering of the 15-91 interchange, Corona California. - - A 4-level stack with one loop. Requires a VRML plugin to view.

WhereRoadsMeet - - Contains aerial photographs and descriptions of unusual or complicated facilities in the United States.