The Shoulder Closed (TC1811)The Shoulder Closed (TC1811) traffic control sign is designed to alert motorists that the road shoulder is closed due to construction, maintenance, or emergency works. Manufactured with super bright traffic yellow CL400 Class 1W reflective material, it provides outstanding visibility both day and night, ensuring drivers are prepared to adjust their speed and use caution near the closure. This sign is available in 900 x 600 mm size, and is fully