A horse rider is in the left-hand lane approaching a roundabout. You should expect the rider to

Explanation: Horses and their riders will move more slowly than other road users. They might not have time to cut across heavy traffic to take up positions in the offside lane. For this reason a horse and rider may approach a roundabout in the left-hand lane, even though they're turning right.

Category: Vulnerable Road Users

References: The Official DVSA Guide to Driving: Section 8, Highway Code: Rule 187, Highway Code: Rule 215