Temporary Block Working

• TBW may be introduced in track circuit block areas (other than single lines) when there is extensive failure or disconnection of signalling equipment.

• It allows you to pass two or more consecutive main aspect signals at danger.

• There will be a handsignaller at the entrance and exit signals to relay the signaller's instructions.

RT3184 (see below)

RT3184 is not required when:

• assisting a failed train

• more than one locomotive

• Obey the red signal

• Follow the handsignaller's instructions

• You will be handed the RT3184 ticket

• Do not move until shown a yellow handsignal

• Handsignaller removes detonator

• Tell guard

• Carry out TPWS temporary isolation

• Receive yellow handsignal

• Sound horn and proceed

• Obey any instructions on the RT3184

• Max speed 50mph (50mph over points unless instructed)

• If told you're the first train through: approach points at caution, check they are in the correct position, and no more than 15mph over points

• Disregard AWS warnings

• Stop at exit signal

• Obey the red handsignal

• Hand the RT3184 to the handsignaller

• Reinstate the TPWS

• Inform the guard

• Only proceed when the handsignaller displays a yellow handsignal

• If given authority to pass signal at danger you must use TSO

• Proceed at caution