UK motorists are shunning smart motorways amidst fears over the new traffic measures that could leave them out of pocket by £100, coupled with anxieties about the absence of hard shoulders.

"If your vehicle breaks down on a smart motorway, try to reach the nearest emergency area (EA) or exit. If stuck in a lane with running vehicles, move to the leftmost lane, switch on your hazard ...

Motorways in England are sealed, making them more durable, for getting around fast and covering long distances. They're wide with several lanes going each way, so traffic flows smoothly.