Manual on Uniform Traffic Control Devices (MUTCD) As a result of research and practical experience the Manual on Uniform Traffic Control Devices (MUTCD) has gone through much iteration over the years to become the official document that addresses contemporary safety and operational issues. The manual provides information so that messages, location, size, shapes and colors for traffic control devices (TCD) are consistent throughout all states. The Manual on Uniform Traffic Control Devices provides minimum standards and guidance that ensures uniformity of traffic control devices. Uniformity across all TCDs helps reduce accidents, traffic congestion and improves the efficiency of road transportation. Importance of MUTCD The MUTCD contains the national standards that [ Read more...]