Deutsche Bahn
Search the timetables of trains travelling in and out of the Czech Republic.
http://bahn.hafas.de/bin/query.exe/en

Jizdnirady.cz
Interrogate intercity bus timetables online.
http://www.jizdnirady.cz/

Rail Europe
Search fares and schedules on Europe's rail network.
http://www.raileurope.com/us/rail/fares_schedules/index.htm

Vlak Bus
National bus and train timetables online.
http://www.vlak-bus.cz/
http://www.idos.cz/