Warning Signs (500 series)
p512 and p545

DfT standard signs:

A traffic warning sign is a type of traffic sign that indicates a hazard ahead on the road.

These are grouped into the 500 series, which also includes supplementary plates and warning chevrons.

Warning signs and supplementary plates may me mounted together on a yellow or grey backing board, or supplied individually.

Further information:

Traffic sign brochure (10Mb)
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P501
P502
P503
P504.1
P505.1
p501: junction ahead controlled by 'STOP' or 'GIVE WAY' sign p502: 'stop x yds' - distance to a junction ahead controlled by 'STOP' sign p503: 'give way x yds' - distance to a junction ahead controlled by 'GIVE WAY' sign p504.1: crossroads ahead p505.1: T-junction ahead
 
P506.1
P507.1
P508.1
P509.1
P510
p506.1: side road ahead p507.1: staggered junction ahead p508.1: traffic merges ahead from the left p509.1: traffic merges ahead onto main carriageway p510: roundabout ahead
 
P511
P512
P512.1
P512.2
P513
p511: 'reduce speed now' p512(right): bend ahead p512.1(right): junction on bend ahead p512.2(right): junction on bend ahead p513(left): double bend or series of bends ahead, first to the left
 
P513.1
P513.2
P515
P516
P517
p513.1: adverse camber on a bend or roundabout - supplementary plate p513.2: maximum speed in mph advised at a bend or hazard p515: sharp deviation of route (chevrons) p516: road narrows on both sides ahead p517(right): road narrows on right ahead
 
P518
P519
P520
P521
P522
p518: 'single file traffic' - convergance of traffic to a single file in each direction p519: 'single track road' - road only wide enough for one line of vehicles p520: dual carriageway ends ahead p521: two-way traffic p522: two-way traffic on route crossing ahead
 
P523.1
P524.1
P525
P526
P528
p523.1: steep hill downwards ahead p524.1: steep hill upwards ahead p525: 'low gear now' p526: 'keep in low gear' p528: hump bridge ahead
 
P529
P529.1
P530
P530.1
P531.1
p529: opening or swing bridge ahead p529.1: tunnel ahead p530: maximum headroom available at hazard p530.1: 'overhanging building' p531.1: maximum headroom available at arch bridge ahead
 
P531.2
P543
P543.1
P544
P544.1
p531.2: high vehicles to use the middle of road at arch bridge ahead p543: traffic signals ahead p543.1: 'part time signals' p544: zebra crossing ahead p544.1: pedestrians in road ahead
 
P544.2
P545
P546
P547.1
P547.2
p544.2: frail or disabled pedestrians likely to cross road ahead p545: children going to or from school or playground ahead p546: 'school' p547.1: 'patrol' - school crossing patrol ahead p547.2: 'playground' - children's playground ahead
 
P549
P550.1
P551
P552
P553.1
p549: sheep likely to be in road ahead p550.1: accompanied horses or ponies likely to be in road ahead p551: wild animals likely to be in road ahead p552: cattle grid ahead p553.1: agricultural vehicles likely to be in road ahead

P553.2
P556
P556.1
P556.2
P557
p553.2: 'farm traffic' - supplementary plate p556: uneven road ahead p556.1: soft verges ahead p556.2: 'soft verges for x miles' - supplementary plate p557: slippery road ahead
 
P557.1
P557.2
P559
P562
P563
p557.1: road hump or series of road humps ahead p557.2: 'humps for x mile(s)' - supplemantary plate p559: risk of falling or fallen rocks ahead p562: other danger ahead p563: 'accident' - supplementary plate describing nature of danger ahead (see TSRGD for variants)
 
P570
P575
P584
P584.1
p570: 'for x miles' - supplementary plate: distance over which hazard or prohibition extends p575: 'oncoming vehicles in middle of road' - supplementary plate p584: traffic queues likely in road ahead p584.1: 'queues likely' - supplementary plate to p584
 
Traffic sign brochure (10Mb)
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---Morelock Signs Ltd 2007---