UK driving theory test

What is the shortest overall stopping distance for a car at 30 mph on a dry road?

The Highway Code gives 9 m thinking plus 14 m braking at 30 mph.

What is the shortest overall stopping distance for a car at 70 mph on a dry road?

At 70 mph it is 21 m thinking plus 75 m braking.

What is the national speed limit for cars on a single carriageway road?

It is 60 mph on single carriageways and 70 mph on dual carriageways and motorways.

What is the speed limit for cars in a built-up area with street lights, unless signs say otherwise?

Street lights usually mean a 30 mph limit unless signs show otherwise.

What is the legal minimum tyre tread depth for cars?

Across the central three-quarters of the tread, around the whole tyre.

In good dry conditions you should keep at least a two-second gap. How much in the wet?

The gap should be at least doubled on wet roads.

How much longer can stopping distances be on icy roads?

The Highway Code warns that braking distances can be ten times greater on ice.

A steady amber traffic light means:

Amber means stop, with that one exception.

What is the drink-drive limit in England and Wales?

Scotland has a lower limit of 50 mg; the safest choice is not to drink at all.

When may you use a hand-held mobile phone while driving?

Holding a phone while driving is illegal, including at lights or in queues.

Road signs in a triangle mostly:

Circles give orders, triangles warn, rectangles inform.

When may you use hazard warning lights while driving?

Use them briefly to warn of a hazard or obstruction ahead.

In Great Britain, when does a car first need an MOT?

Then every year after that. In Northern Ireland the first test is at four years.

What do zigzag lines at a pedestrian crossing mean?

They also mean you must not overtake the leading vehicle approaching the crossing.