Temporary maximum speed 50 mph
Look out for signs above your lane or on the central reservation. These will give you important information or warnings about the road ahead. Due to the high speed of motorway traffic these signs may light up some distance from any hazard. Don’t ignore the signs just because the road looks clear to you.
B Temporary minimum speed 50 mph
C No services for 50 miles
D Obstruction 50 metres (164 feet) ahead