You arrive at the scene of a motorcycle crash. No other vehicle is involved. The rider is unconscious and lying in the middle of the road. The FIRST thing you should do is

Explanation: The motorcyclist is in an extremely vulnerable position, exposed to further danger from traffic. Approaching vehicles need advance warning in order to slow down and safely take avoiding action or stop. Don't put yourself or anyone else at risk. Use the hazard warning lights on your vehicle to alert other road users to the danger.

Category: Incidents, Accidents and Emergencies

References: The Official DVSA Guide to Driving: Section 16, Highway Code: Page 131