RED - STOP
GREEN - Clear, proceed
YELLOW - Proceed with caution, max speed 50
GREEN - Clear, proceed
BLUE - After passing the light the train will drive on without a driver. (The driver will start driving again when the train passes next full or a normal railway traffic light.)
RED - STOP
BLUE - Junction ahead is clear, proceed
WHITE - Junction ahead is NOT clear, proceed with extreme caution, max speed 10
RED - STOP, end of this track
WHITE - No traffic signals on the next section of track, proceed with caution, max speed 40
RED - STOP
GREEN - Clear, proceed
WHITE - Proceed with caution, max speed 30
GREEN - Clear, proceed
YELLOW - Proceed with caution
RED - STOP
GREEN, YELLOW, RED - Same as regular railway traffic light.
DOUBLE YELLOW - Blindspot or junction(s) ahead, proceed with extreme caution, max speed 20