Which of the following is used to reduce motorway traffic bunching?

Explanation: Variable speed limits are used to prevent the bunching up of traffic. You'll find variable speed limits in operation on smart motorways during busy periods. Keeping to the speed shown usually improves traffic flow and journey times. Keep an eye out for the speed limit changing as you drive.

Category: Motorway rules (2021)

References: The Official DVSA Guide to Driving: Section 18, Highway Code: Rule 261