The 'horse riders likely to be on road ahead' sign warns drivers to expect horses on the road or crossing nearby.
Horses are easily frightened by fast vehicles or sudden loud noises, making slow speeds and wide margins vital.
What this sign means
This sign shows a horse and rider pictogram inside a red warning triangle.
It warns that equestrians, riding schools, or horse-drawn carriages frequently use the carriageway.
- Horse and rider graphic in a red warning triangle
- Common in rural areas, near equestrian centres and bridleways
- Signals potential unpredictable animal behaviour ahead
What to do when you see it
Slow down immediately to under 10 mph when passing, pass wide (at least 2 metres), and avoid revving your engine or honking.
- Slow down to a maximum of 10 mph when passing horses
- Give at least 2 metres of clearance when passing
- Never rev your engine, accelerate quickly, or sound your horn
How this sign is tested
Theory test questions specifically check compliance with Highway Code rules on passing horses safely.
- Maximum recommended speed when passing horses (10 mph)
- Minimum passing distance clearance (2 metres)
- Recognising rider hand signals asking drivers to stop
Common mistakes
Passing horses too closely or too fast, or sounding the horn to alert the rider, which can spook the animal.
Test yourself on this one
Road and traffic signs is the biggest category in the question bank with 102 questions, and signs turn up inside other categories too. Work through them free, no sign-up needed.
Practise road sign questionsFrequently asked questions
What speed should I slow down to when passing horses?
The Highway Code advises passing horses at a speed of no more than 10 mph.
How much space should I leave when passing a horse?
Leave at least 2 metres (6.5 feet) of clearance.
What does it mean if a rider holds out an arm up and down?
The rider is requesting approaching drivers to slow down or stop.