(other than those for low bridges, railway and tramway levelcrossings, bus and
pedal cycle facilities and road works)
Most regulatory signs are circular. A RED RING or RED CIRCLEindicates a prohibition.
A BLUE CIRCLE generally gives a positive(mandatory) instruction or indicates a
route for use only byparticular classes of vehicle (see sections on tram signs
and busand cycle signs).
Two notable exceptions are:
The "STOP" sign androad
markings: you muststop before crossing thetransverse line on theroad and ensure
the wayis clear before enteringthe major road.
The
"GIVE WAY" sign androad markings: you mustgive way to traffic on themajor road
(the uprightsign or both the sign andthe triangle on the roadmight not be used
atjunctions where there isrelatively little traffic).
No
entry for vehicular traffic, including pedal cycles (usually indicates theend
of aone-way road where all trafficis travelling in the other direction)
No
vehicles except pedal cycles being pushed by hand
Alternative
plates used with the "no vehicles" sign, indicating times when vehicles are prohibited,
except for access
No
motor vehicles
No
motor vehicles except solo motorcycles
No
solo motorcycles
No
towed caravans
No
pedestrians
No
ridden or accompanied horses
No
horse-drawn vehicles
No
articulated vehicles
No
goods vehicles over maximum gross weight shown in tonnes
End
of goods vehicles restriction
No
vehicles or combinations of vehicles over maximum length shown
No
vehicles carrying explosives
No
vehicles over maximum width shown (width shown in metric and imperial units)
No
vehicles over maximum width shown (width shown in imperial units)
No vehicles over
the maximum gross weight shown in tonnes. The bottom plate is used where empty
vehicles are exempt
Plates used to indicate exemptions from prohibition signs
Where a road or
bridge is very narrow, priority must be given to traffic from the other direction
(there will usually be a "give way" line indicating where to wait)
Except
for access to premises or land adjacent to the road, where there is no other route.
Other exemptions may be shown
Except
for loading and unloading by goods vehicles
Where changes of direction are prohibited, a red bar across
the sign is used in addition to the red circle
NoU-turn
No
right turn
No
left Turn
Exemption
plate
Vehicles
must not go beyond the sign where displayed by a school crossing patrol
Vehicles
must not go beyond the sign where displayed by a police officer or traffic warden
Specified traffic
must not use verge maintained in mown or ornamental condition
Proceed
in direction indicated by the arrow
Turn
left ahead (right if symbol is reversed)
Vehicles
may pass either side to reach the same destination
Keep
left (right if symbol reversed)
Plates
supplementing "turn" signs
Mini-roundabout
(give way to traffic from the immediate right)
One-way
traffic
Nature
of and distance to a prohibition, restriction or requirement
Weight
restriction ahead (may show a different restriction)
Location
of weight restriction ahead with indication of an alternative route (may show
a different restriction)