Gravel Road (T3-13)The Gravel Road (T3 13) traffic control sign is designed to warn motorists of unsealed gravel road surfaces ahead, which may cause loose stones, reduced traction, and longer stopping distances. Manufactured with super bright traffic yellow CL400 Class 1W reflective material, it provides excellent visibility both day and night, ensuring drivers slow down and proceed with caution on unsealed roads. This sign is available in 900 x 600 mm and 1200 x 900