- America on the Move - The Smithsonian
- Burbank Aviation Museum
- California Highway History
- California State Railroad Museum
- Electric Railway Historical Association
- Fullerton Railway Plaza Association
- Greyhound Bus Museum
- Johnson Farebox
- LAX Flight Path Museum
- Lomita Railroad Museum
- Los Angeles Maritime Museum
- Los Angeles Railroad Heritage Foundation
- Los Angeles Railway - Joe Testagrose Photo Collection
- Los Angeles Railway in Brief
- Los Angeles Regional Planning History Group
- Los Angeles Travel Town Museum
- Los Angeles Travel Town Museum Foundation
- Museum of Bus Transportation
- Museum of Flying
- New York Transit Museum
- Orange Empire Railway Museum
- Pacific Bus Museum
- Pacific Electric Subway
- Pacific Electric Tours in a Bygone Era
- Pacific Railroad Society
- Peterson Automotive Museum
- San Fernando Valley History/Digital Library - Transportation
- San Francisco Cable Car Museum
- San Francisco Railway Museum
- Sandusky Library Archive
- Seattle Metro Employees Historical Vehicle Association
- Southern California Scenic Railway Association
- USC Library - The Red Cars of Los Angeles
- Western Museum of Flight
- Western Transit
Fan Sites
