ATSSA looks toward horizon of an updated MUTCD ATSSA looks toward horizon of an updated MUTCD Staff, members heavily involved in recommended changes Anonym / Thursday, October 10, 2019 0 20627 Article rating: 4.0 The Manual on Uniform Traffic Control Devices (MUTCD) needs an update, and ATSSA is playing a major role in the process. The current edition of the roadway safety infrastructure industry’s guide to keeping drivers and roadway workers safe was published in 2009. Read more