Blue

Sign	Title	Category	Shape	Colour (Background)	Colour (Foreground)
	Junction ahead with another motorway	Motorway signs	Rectangular	Blue	White
	Drivers should keep their distance from the vehicle in front	Motorway signs	Rectangular	Blue	White
	Direction of a system of lane control light signals	Tidal flow lane control	Rectangular	Blue	White
	Lane control signals in operation on the road	Tidal flow lane control	Rectangular	Blue	White
	Lane control signals in operation on the road extending from the junction ahead	Tidal flow lane control	Rectangular	Blue	White
	Location of a weight restriction ahead with indication of an alternative route	Regulatory signs	Rectangular	Blue	White
	Location of traffic survey	Information signs	Rectangular	Blue	White
	Vehicles entering the junction must give way to traffic to vehicles coming from the right	Regulatory signs	Circular	Blue	White
	Minimum speed limit of 30 miles per hour	Speed limit signs	Circular	Blue	White
	Minimum speed limit of 40 miles per hour	Speed limit signs	Circular	Blue	White
	Motorway junction ahead, displaying the route number and destination reached by taking this route	Motorway signs	Rectangular	Blue	White
	Motorway junction, displaying route number and destination reached as well as destination reached by remaining on the motorway	Motorway signs	Rectangular	Blue	White
	Route number of the motorway with destinations and distances to places along or reached from that route	Motorway signs	Rectangular	Blue	White
	Entry to a car park, private access road or property from a public road not allowed	Information signs	Rectangular	Blue	White
	No hard shoulder available for 400 yards	Motorway signs	Rectangular	Blue	White