BVG: Berlin transit system includes buses, underground, and tram lines. Site has point-to-point trip planner, route maps, fare information, history, and statistics. In English and German.
Public Transport and Traffic in Berlin: Guide to the city's tram, bus, underground, and commuter rail system, including timetables and links, as well as information on long-distance trains and airports serving Berlin. In English and German.
Verkehrsverbund Grossraum Nürnberg: Nuremburg's public transport system VGN operates bus, subway, and rail service. Site includes schedule and fare information. In English and German.
VGF: Frankfurt transit system VGF (Verkehrsgesellschaft Frankfurt am Main) operates underground and surface rail lines, trams, and buses. Site has maps, schedule information (in German), a guide to routes serving points of interest in the city, and information on VGF's history, fleet, and system statistics. In English and German.