General Warning Temporary road sign (TW339) drug free school zone sign and access points where “Reverse

and access points where “Reverse parking only” would block entry

Fuel and chemical zones where “Smoking of Tobacco is harmful” reduces ignition risk

The Danger: Ammonia Leak ahead sign (HW76) is a custom sign used to communicate a clear

Permanent road signs are supplied in 1

General Warning Temporary road sign (TW339) drug free school zone sign and access points where “ReverseThe General Warning Temporary road sign (TW339) is a temporary W Series warning sign used to alert drivers to an unspecified or changing hazard ahead during short term traffic control or maintenance operations. Purpose and function This sign provides a general warning where conditions are temporary or variable, encouraging drivers to reduce speed and proceed with caution. Typical applications Temporary roadworks and maintenance zones Event traffic