Traffic Survey (T1-14)The Traffic Survey (T1 14) sign alerts motorists to upcoming surveying or traffic data collection activities on the road ahead. By warning drivers early, it helps ensure they slow down and remain cautious around survey staff and equipment. Manufactured from yellow CL400 Class 1W reflective material, the T1 14 provides maximum visibility in both daylight and low light conditions, ensuring compliance and safety at all times. Available in 1200 x 900 mm