Can you identify these 10 British motorways from their locations?

 It's close to 60 years since Britain got its first full-length motorway, the M1 - and 30 years since the opening of the M25.

It's now hard to imagine how we ever coped without our high-speed highways, which tend to inspire a surprising level of dedication among motorists.

To test your knowledge of the British motorway system, we've put together this short quiz. Below are 10 images, with the routes of 10 motorways marked in red. 

Simply click the corresponding name of each of the motorways - and share your score on Twitter or Facebook to let the world know how you got on.