SIGNALLING FOR AN OUTSIZED VEHICLE ON A BRIDGE WITH 2 OR MORE TRAFFIC LANES IN THE DIRECTION TRAVELLED BY THE VEHICLE TO ENABLE IT TO CROSS THE BRIDGE SLOWLY AND ALONE BY STRADDLING BOTH LANES OR, WHERE APPLICABLE, ALONE ON 2 LANES BY STRADDLING THE 2 FAR RIGHT LANES
(1) Where the outsized vehicle is preparing to slow down at the approach to a bridge, both escort vehicles must travel side by side at distance B from the outsized vehicle. They must then maintain the cruising speed they had before the approach to the bridge. On the bridge, that speed may be reduced, if necessary, until the outsized vehicle preceding them has crossed the bridge. Distance B may be increased to take into consideration the road configuration so that other drivers will perceive the signal well in advance and have sufficient time to react.
(2) Arrows must be flashing when the outsized vehicle is preparing to slow sown at the approach to the bridge and while it is crossing the bridge; otherwise they must be turned off.