High occupancy vehicle (HOV) lane

This sign means: Lane designated for use by high occupancy vehicles (HOV) – see rule 142. It is an information sign. Information signs are all rectangular and tell you about the road and what is on it.

Official Highway Code caption: “Lane designated for use by high occupancy vehicles (HOV) – see rule 142.”

Listed under “Rectangular signs” in The Highway Code: traffic signs (GOV.UK). For every sign in more detail, see the Department for Transport’s Know your traffic signs.

Read Highway Code rule 142.