What should you do when you park at night on a road that has a 40 mph speed limit?

Explanation: You must use parking lights when parking at night on a road or in a lay-by on a road with a speed limit greater than 30 mph. You must also park in the direction of the traffic flow and not close to a junction.

Category: Rules of the road

References: The Official DVSA Guide to Driving: Section 13, Highway Code: Rule 249