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Warning Sign/Slippery Road

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Slippery Road
A94 Scone - Coppermine - 4706.jpg
The Slippery Road Sign
Cameraicon.png View gallery (36)
TSRGD ref : 557
From : 1964
To : present
Variants : Loose Chippings
Common Plates : (for) x yds/miles  • New Surface

Pre-Worboys Sign

There doesn't seem to be a specific pre-Worboys sign for Slippery Roads.

Worboys Report Sign

Cornwall sign - Coppermine - 1195.JPG

The Slippery Road sign depicts a head-on silhouette of a car above large crossing skid marks, in a design which is physically impossible to replicate in the real world! Nevertheless, it informs the driver of the risk ahead.

The signs are located in a variety of locations, often in places where ice or spray from the sea poses a danger that cannot be easily engineered out on a twisty or hilly piece of road. They may also be located at sites where mud from farms or liquid from a local industry can pose a regular problem. One of the more unusual uses, however, is on semi-permanent posts sited after a new surface is laid on a road. This has led to questions over the competency of authorities using a surfacing material which is slippery, but there is often little choice.

Modern anti-skid surfaces have been developed to combat slippery road surfaces, and are seeing the removal of these signs in a number of places.

This sign is also widely used as a temporary fold-out sign at roadworks, or after incidents such as fuel spills on the road network. There is also the Loose Chippings sign used on roads that have recently been surface dressed, and this now commonly comes with the additional warning of 'skid risk'.

Irish Sign


The Irish sign, apart from being shown on a yellow diamond, is very similar to the UK design. The most significant difference is that the skid marks do not cross, and so are more realistic!

Warning Sign/Slippery Road
Related Pictures
View gallery (36)
A94 Scone - Coppermine - 4706.jpgFelingwm Isaf - Geograph - 605096.jpgA82 Drumnadrochit - road liable to icing.jpgKentwater Cottages, near Cowden, Kent - Geograph - 193407.jpgCardboard speed limit.jpg
Traffic Signs
TypesInformation (UK TSRGD) • (IRL TSM) • Regulatory (UK TSRGD) • (IRL TSM) • Warning (UK TSRGD) • (IRL TSM)
UKAnderson report • Worboys report • Traffic Sign Design • TSRGD and TSM (Motorway alphabet • Transport alphabet) • Guildford Rules
IrelandTraffic Signs Manual
MiscellaneousList of Street Furniture Manufacturers
Warning Signs
List of Warning Signs in TSRGDAdvance Warning of Wig Wag Signals • Agricultural Vehicles • Bend • Cattle Grid • Cattle / Sheep • Children • Cross Roads • Cycle Route • Double Bend • Dual Carriageway Ends • Edge of Carriageway Marker • Falling Rocks • Flood & Try Your Brakes • Ford • Gate • Horses • Hump Bridge • Ice & Snowdrifts • Level Crossing with Gates or Barriers • Loose Chippings • Low Flying Aircraft • Maximum Headroom • Maximum Speed • Military Vehicles • Opening Bridge • Open Level Crossing • Other Danger • Overhead Electric Cable • Pedestrians • Plates below Signs • Quayside • Queues Likely • Reduce Speed Now • Risk of Grounding • Road Humps • Road Narrows • Roadworks • Roundabout • Sharp  Deviation of Route • Side Road • Side Winds • Slippery Road • Soft Verges • Staggered Junction • Steep Hill • Stop or Give Way Ahead • T Junction • Traffic Merges • Traffic Signals • Trams Crossing • Tunnel Ahead • Two Way Traffic • Uneven Road • Wild Animals (various)
Other Warning SignsAccident Black Spot

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