Powered vehicles used by disabled people are small and hard to see. How do they give early warning when on a dual carriageway?

Explanation: Powered vehicles used by disabled people are small, low, hard to see and travel very slowly. On a dual carriageway, a flashing amber light will warn other road users.

Category: Vulnerable road users

References: The Official DVSA Guide to Driving: Section 10, Highway Code: Rule 220