- Kurumi's Field Guide to Interchanges
- Descriptions and diagrams of many types. - 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 - Photographs from around the state.
- 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.
- Highway-Intersections.net - Compendium of map images from various European countries.
- 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.
- The Parallel Flow Intersection - A specialized intersection. Page includes diagrams and research.
- Unusual Interchanges - Diagrams and commentary of various ones in the East-Central U.S.
- US Highway Interchange Browser - Covers Michigan and North Carolina.
- WhereRoadsMeet - Includes aerial photographs and descriptions of unusual or complicated facilities in the United States.