Surveyors On Road (T2-239n)The Surveyors On Road (T2 239n) traffic control sign is essential for alerting motorists to survey crews working on or near the road. Its bold message ensures drivers reduce speed and proceed with caution, helping protect both survey teams and passing traffic. Manufactured from fluoro orange CL400 Class 1W reflective material, this sign provides maximum visibility during both day and night, even in challenging weather conditions. Available in 900 x