Marina and Tawe Barrage Lights

Traffic lights are located at the Marina and Tawe Barrage.  Light signals are as follows.

Image depicting Lock Closed DO NOT PROCEEDLOCK CLOSED OR FREE FLOW IN OPERATION
Image depicting Operations in Progress DO NOT PROCEEDLOCKING IN PROGRESS
Image depicting Free Flow in Operation FREE FLOW IN OPERATIONPROCEED WITH CAUTION ALLOWING SUFFICIENT ROOM
FOR THE PRECEDING VESSEL TO MANOEUVRE TO ITS BERTH
Image depicting Normal LOCK LOADING IN PROGRESSPROCEED INTO LOCK AS DIRECTED