If it goes ahead, the speed restriction will effectively mean the end of sports boats and activities such as water-skiing.

BBC: NEWS | UK | England | Cumbria | Protest over lake speed limit

The speed restriction will also be extended to cover 150 metres from the shore at Drumkinnon Bay and the mouth of the Falloch at Ardlui.

BBC: NEWS | UK | Scotland | Loch Lomond set for speed curbs

Stagecoach said services had returned to normal, but the speed restriction would be in place around the area of the accident until repairs could be carried out.

BBC: Cambridgeshire guided bus crash damages tracks

Another impediment is the unnecessarily rigid restriction on speed.

ECONOMIST: Thames river transport