Electronic travel cards used for the TfL network were temporarily being allowed on all train lines in greater London , it said . London transport system crippled as Tube workers go on strike . Normal service not due to resume until Friday morning . Buses crammed with commuters ; many chose to cycle , walk to work . Comment:
London transport system crippled as Tube workers go on strike . Normal service not due to resume until Friday morning . Buses crammed with commuters ; many chose to cycle , walk to work . Comment: