Don's Depot grew from R. Donald Ross's railroad photo collecting hobby, begun in 1946, into a huge web archive organized by railroad company with scans from his collection and contributions from other railfans.
Chicago-L.org documents more than a century of elevated-train fares, tokens, tickets, magnetic cards, smart cards, turnstiles, vending machines, and policy changes alongside the broader history of Chicago rapid transit.
Richard Leonard's Rail Archive combines personal 1950s railroad photography with scans of historic railroad booklets, manuals, catalogs, and contributed images.
RailroadSignals.us documents semaphore, searchlight, color-light, position-light, CPL, and other American signal systems while many of the old installations disappear from service.
Christopher Garrish's BCpl8s.ca began with a 1999 graduate-history assignment and grew into roughly 250 pages and more than 5,000 images documenting British Columbia license plates from 1904 onward.
Carsten Lundsten's railway pages preserve a detailed late-1990s and early-2000s snapshot of Danish signals, speed boards, block systems, turnouts and station signaling as ERTMS changes the infrastructure they documented.