General Warning Temporary road sign (TW339) drug free school zone sign The Danger: Ammonia Leak ahead

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

It reduces disputes

particularly on higher-speed approaches

The Permit holders - 2 Languages sign (EEC) is a custom sign used to communicate a clear

General Warning Temporary road sign (TW339) drug free school zone sign The Danger: Ammonia Leak aheadThe 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