The sign displays two white arrows pointing diagonally downwards in opposite directions
Motorists are being warned about a blue circular road sign with white arrows that is frequently confused with other instructions in the Highway Code. The sign, which displays two white arrows pointing diagonally downwards in opposite directions, indicates vehicles may pass on either side of an obstruction ahead.
Because the sign doesn't include words, some drivers may hesitate or misinterpret it - particularly in unfamiliar areas. According to the official Highway Code, the sign is commonly used to mark a traffic island, refuge, or central divider, and confirms that drivers are permitted to go around it on either side.
However, it's often mistaken for similar-looking blue signs that give very different instructions.
Unlike other blue arrow signs that require motorists to pass on a specific side, this one gives drivers flexibility.
This means you can go either way around the obstacle, depending on your position and traffic conditions, reports Wales Online.
The Department for Transport includes the sign to help traffic flow more smoothly and prevent unnecessary congestion.
Depending on your position in the road and surrounding traffic, it means you can:
The sign is usually positioned directly in front of the obstruction so drivers have time to choose safely.
Roads with central bollards Even though both sides are permitted, drivers must still remain vigilant for approaching vehicles, yield where required and position their vehicle securely.
The sign does not grant priority - it merely confirms both routes are acceptable. Failing to navigate safely could still result in penalties if it leads to careless driving.
