DALSLANDS KANAL General Information For information regarding bridge and lock openings, restrictions and vertical clearance in the canal visit www.vastsverige.com/dalslandskanal/ BRIDGE SIGNALS AT KÖPMANNEBRO Iso R 4s Bridge closed. Stand by. Iso R 4s + Iso W 4s The ship is observed. Iso R 4s + F W Bridge is about to open. Iso G 4s Bridge is open. Proceed. The bridge-master may be contacted by telecommunication installed at the bridge.