List of Warning Signs in TSRGD

The following is a list of warning signs in the Traffic Signs Regulations and General Directions 2002 (TSRGD) and subsequent amendments.

Image	TSRGD diagram number	Description	Permitted variants or requirements	Welsh-language text
	501	Junction ahead controlled by STOP or GIVE WAY sign	To be supplemented by 502 or 503
	502	Distance to a junction controlled by a STOP sign	To supplement 501	100 llath
	503	Distance to a junction controlled by a GIVE WAY sign	To supplement 501	ILDIWCH 50 llath
	504.1	Crossroads ahead
	504.1L	Crossroads ahead (left priority variant)
	504.1R	Crossroads ahead (right priority variant)
	505.1	T-junction ahead
	505.1R	T-junction ahead (right variant)
	506.1	Side road ahead
	506.1L	Side road ahead (left variant)
	506.1LL	Side road ahead (left priority variant)
	506.1RR	Side road ahead (right priority variant)
	507.1	Staggered junction ahead
	507.1RL	Staggered junction ahead (reversed)
	507.1RLL	Staggered junction ahead (left priority variant)
	507.1LRR	Staggered junction ahead (right priority variant)
	508.1	Traffic merges ahead from left
	509.1	Traffic merges ahead onto main carriageway
	510	Roundabout ahead
	511	Reduction in speed necessary for a change in road layout ahead		ARAFWCH NAWR
	512	Bend ahead
	512L	Bend ahead (reversed)
	512.1	Junction on bend ahead
	512.1L	Junction on bend ahead (reversed)
	512.2	Junction on bend ahead
	512.2L	Junction on bend ahead (reversed)
	513	Double bend or series of bends ahead
	513R	Double bend or series of bends ahead (reversed)
	513.1	Adverse camber on a bend or roundabout	To supplement 510, 512, 512.1, 512.2 or 513	Cambr croes
	513.2	Maximum speed in miles per hour advised at a bend or other hazard	To supplement 512, 512.1, 512.2, 513 or 7009	Cyflymder uchaf
	513.2V20	Maximum speed in miles per hour advised at a bend or other hazard	To supplement 512, 512.1, 512.2, 513 or 7009	Cyflymder uchaf
	515	Sharp deviation of route	Can be reversed
	515.1	Sharp deviation of route	Can be reversed
	515.1A	Sharp deviation of route at a roundabout
	515.2	Sharp deviation of route at a roundabout
	516	Road narrows on both sides ahead
	517	Road narrows on right ahead
	517L	Road narrows on left ahead
	518	Convergence of traffic to a single file in each direction		Un rhes o draffig
	519	Road only wide enough for one line of vehicles		Ffordd un trac
	520	Dual carriageway ends ahead
	521	Two-way traffic
	522	Two-way traffic on route crossing ahead
	523.1	Steep hill downwards ahead
	524.1	Steep hill upwards ahead
	525	Drivers should engage low gear for steep hill		Gêr isel nawr
	526	Drivers should keep in low gear for steep hill or tight bend		Cadwch mewn gêr isel
	527	Drivers should keep in low gear for distance indicated		Gêr isel am 1½ milltir
	528	Hump bridge ahead
	528.1	End of bridge parapet, abutment wall, tunnel mouth or other obstruction adjacent to carriageway
	529	Opening or swing bridge ahead
	529.1	Tunnel ahead
	530	Maximum headroom available at hazard	Units can be metric or imperial
	530A	Maximum headroom available at hazard, with height indicated in both metric and imperial units
	530.1	Reduced headroom over part of road due to overhanging building ahead	"Building" may be varied to "buildings" or "structures"	Adeilad bargodol
	530.2	Reduced headroom at a hazard
	531.1	Maximum headroom at arch bridge ahead	Units can be metric or imperial
	531.2	High vehicles to use the middle of road at arch bridge ahead		PONT FWA Cerbydau uchel defnyddiwch ganol y ffordd
	532.2	Maximum headroom available in the centre of road at an arch bridge	Black and yellow markings may be omitted. Metric sign may be omitted.
	532.2A	Maximum headroom available in the centre of road at an arch bridge. (Metric and imperial units)	Black and yellow markings may be omitted
	532.3	Maximum headroom available at the side and in the centre of road at an arch bridge	Black and yellow marking shown in diagram 532.2 may be added. Metric sign may be omitted.
	532.3A	Maximum headroom available at the side and in the centre of road at an arch bridge. (Metric and imperial units)	Black and yellow marking shown in diagram 532.2A may be added
	543	Traffic signals ahead
	543.1	Traffic signals ahead which only operate at certain times	"Part time" may be varied to "Peak hour"	Goleuadau rhan amser
	544	Zebra crossing ahead
	544.1	Pedestrians in road ahead
	544.2	Frail or disabled pedestrians likely to cross road ahead
	545	Children going to or from school or playground ahead
	546	School ahead	To supplement 545 or 4004	Ysgol
	547.1	School crossing patrol ahead	To supplement 545 or 4004	Hebryngwr
	547.2	Children's playground ahead	To supplement 545	Maes chwarae
	547.3	No footway for distance indicated	To supplement 544.1 or 545	Dim troedffordd am 400 llath
	547.4	Disabled pedestrians likely to cross road ahead	To supplement 544.2.	Pobl anabl
	547.4B	Blind pedestrians likely to cross road ahead	To supplement 544.2.	Pobl ddall
	547.7	Disabled children likely to cross road ahead	To supplement 545 or 4004.	Plant anabl
	547.7VB	Blind children likely to cross road ahead	To supplement 545 or 4004.	Plant dall
	547.7VD	Deaf children likely to cross road ahead	To supplement 545 or 4004.	Plant byddar
	547.8	Zebra crossing or signal-controlled crossing on road hump ahead	To supplement 543 or 544	Croesfan ar dwmpath
	548	Cattle likely to be in road ahead
	548.1	Supervised cattle crossing ahead	To supplement 548 or 4005	Tra bydd golau 200 llath
	549	Sheep likely to be in road ahead
	550	Wild horses or ponies likely to be in road ahead
	550.1	Accompanied horses or ponies likely to be in or crossing road ahead
	550.2	Horse drawn vehicles likely to be in road ahead
	551	Wild animals likely to be in road ahead
	551.1	Migratory toad crossing ahead
	551.2	Wild fowl likely to be in road ahead
	552	Cattle grid ahead		Grid gwartheg
	553	Bypass of cattle grid ahead		Cerbydau a dynnir gan geffyl ac anifeiliaid
	553.1	Agricultural vehicles likely to be in road ahead
	553.2	Agricultural vehicles likely to be in road ahead	To supplement 553.1; "Farm traffic" may be varied to "Wide vehicles" or "Tractors turning". "for" and a distance may be added	Traffig fferm
	554	Worded warning sign	"Ford" may be varied to "Flood", "Gate", "Gates" or "No smoking"	Rhyd
	554.1	Risk of brake failure after crossing a ford or before descending a steep gradient		Profwch eich breciau
	554.2	Risk of ice or packed snow ahead	To be supplemented by 554.3
	554.3	Ice ahead	To supplement 554.2. "for" and a distance may be added	Rhew
	554.3A	Snow drifts ahead	To supplement 554.2. "for" and a distance may be added	Lluwch eira
	555	Quayside or river bank ahead
	555.1	Water course alongside road ahead
	555.1R	Water course alongside road ahead (reversed)
	556	Uneven road ahead
	556.1	Soft verges ahead
	556.2	Soft verges for distance indicated		Lleiniau meddal am 2 filltir
	557	Slippery road ahead
	557.1	Road hump or series of humps ahead
	557.2	Road humps ahead for the distance indicated		Twmpathau am ½ filltir
	557.3	Road humps ahead in the direction and for the distance indicated	A second arrow in the opposite direction may be added. "for 300 yds" may be omitted	Twmpathau am 300 llath
	557.4	Road hump in the direction and at the distance indicated	A second arrow in the opposite direction may be added	Twmpath 20 llath
	558	Low flying aircraft or sudden aircraft noise likely ahead
	558.1	Low flying helicopter or sudden helicopter noise likely ahead
	558.2	Gliders likely ahead	To supplement 558	Gleiderau
	559	Risk of falling or fallen rocks ahead
	559R	Risk of falling or fallen rocks ahead (reversed)
	560	Edge of carriageway or obstruction near that edge	Red may varied to white or amber
	561	Alternative shape for the sign shown in diagram 560	Same as diagram 560. The surface of the sign may be curved
	562	Other danger ahead	Tp be supplemented by 562
	563	Nature of other danger ahead (Accident)	Text may be varied to nature of danger - see article for variants	Damwain
	563V2	Nature of other danger ahead (Blasting)	Text may be varied to nature of danger - see article for variants	Ffrwydro
	563V3	Nature of other danger ahead (Blind Summit)	Text may be varied to nature of danger - see article for variants	Copa anweladwy
	563V5	Nature of other danger ahead (Dust cloud)	Text may be varied to nature of danger - see article for variants	Cwmwl llwch
	563V6	Nature of other danger ahead (Fallen tree)	Text may be varied to nature of danger - see article for variants	Coeden wedi cwympo
	563V8	Nature of other danger ahead (Frost damage)	Text may be varied to nature of danger - see article for variants
	563V9	Nature of other danger ahead (Hidden dip)	Text may be varied to nature of danger - see article for variants	Pant cudd
	563V10	Nature of other danger ahead (Overhead cable repairs)	Text may be varied to nature of danger - see article for variants	Adfer ceblau uwchben
	563V12	Nature of other danger ahead (Road liable to flooding)	Text may be varied to nature of danger - see article for variants	Llifogydd yn debygol
	563V14	Nature of other danger ahead (Smoke)	Text may be varied to nature of danger - see article for variants	Mwg
	563.1	Warning of light signals shown in diagram 3014 ahead	"FIRE" may be varied to any combination of "FIRE, POLICE AND AMBULANCE"	GORSAF DÂN STOPIWCH pan fo'r golau'n fflachio
	570	Distance over which hazard or prohibition extends	To supplement other warning signs	Am 2 filltir
	570V	Distance over which hazard or prohibition extends	To supplement other warning signs	Am 7 filltir
	572	Distance ahead to hazard	To supplement other warning signs	400 llath
	573	Distance and direction to hazard	To supplement other warning signs	250 llath
	574	Area infected by animal disease ahead	"RABIES" may be omitted or varied to appropriate animal disease name. "AHEAD" may be omitted or varied to "ENDS" or a horizontal arrow pointing left or right	CLEFYD ANIFEILLIAID Y GYNDDAREDD ARDAL HEINTIEDIG O'CH BLAEN
	575	Large vehicles likely to be in middle of road because of narrowness of carriageway	To supplement 512, 512.1, 512.2, 513, 516, 517, 528 or 529.1	Cerbydau'n dod atoch ar ganol y ffordd
	581	Side winds likely ahead
	582	Slow moving military vehicles likely to be crossing or in road ahead
	583	Slow moving vehicles likely on incline ahead	To be supplemented by 583.1
	583.1	Distance over which slow moving vehicles likely to encountered ahead	To supplement 583	Lorïau araf am 2 filltir
	584	Traffic queues likely on road ahead	To be supplemented by 584.1
	584.1	Traffic queues likely on road ahead	To supplement 584	Ciwiau'n debygol
	770	Level crossing with gates or barriers
	771	Ungated level crossing
	772	Tramcars Crossing Ahead
	779	Overhead Electric Cable
	782	Risk of Grounding
	950	Cycle Route Ahead
	7001	Roadworks
	7009	Loose Chippings