Anti-lock brakes may not work as effectively if the road surface is

Explanation: Poor contact with the road surface could cause one or more of the tyres to lose grip on the road. This is more likely to happen when braking in poor weather conditions, when the road surface is uneven or has loose chippings.

Category: Safety Margins

References: The Official DVSA Guide to Driving: Section 3, The Official DVSA Guide to Driving: Section 5, Highway Code: Rule 120