Explanation: A double-deck bus or high-sided lorry will have to take a position in the centre of the road to clear the bridge. There's normally a sign to show this. Look well ahead, past the bridge and be ready to stop and give way to large oncoming vehicles.
Category: Hazard awareness
References: The official DVSA guide to driving: section 6, The official DVSA guide to driving: section 10, Know your traffic signs: page 24