Traffic Lights Not In Use Dia. 7019 - Classic Roll Up Sign / RA1This Traffic Lights Not In Use Roll Up Sign can be quickly deployed at any works where the traffic lights are currently out of action for maintenance or other reasons. These signs clearly inform motorists that the light is out of action and that they can proceed cautiously. Using this sign can be important as it can sometimes be hard to distinguish between a lamp out or a set of lights out of commission. This sign features a lightweight roll up sign