You see a horse rider as you approach a roundabout. They are signalling right but keeping well to the left. You should

Explanation: Allow the horse rider to enter and exit the roundabout in their own time. They may feel safer keeping to the left all the way around the roundabout. Don't get up close behind or alongside them. This is very likely to upset the horse and create a dangerous situation.

Category: Vulnerable Road Users

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