Substantial conformance with the MUTCD is required by law; failing to comply can expose government agencies and contractors to severe liability and litigation. 🛠️ The Four Text Classifications
The manual strictly divides its provisions into four categories to help engineers determine what is flexible and what is mandatory: Federal Manual On Traffic Control Devices
The primary objective of the manual is to promote safety and efficiency on the nation's highways and streets. Substantial conformance with the MUTCD is required by