530a Available Headroom Metric & Imperial Sign Face | Post & Wall Mounted custom-text A closure sign is often

A closure sign is often the only warning drivers get

60mm diameter head

Flexible arm for adjusting the viewing angle after mounting

Utility and highways works with temporary routing

covered zips Fit Elasticated waist on both sides

530a Available Headroom Metric & Imperial Sign Face | Post & Wall Mounted custom-text A closure sign is often530a available headroom 4. 4m sign face for highways and permanent site use The 530a sign tells drivers the clearance available under a bridge, gantry or other overhead structure, shown as 4. 4m and 14'6" so both metric and imperial vehicles can check whether they will fit. It is often used as an advance warning alongside the 530. 1 overhanging structure sign, and is typically post mounted when used this way. This permanent sign face is manufactured