The manual provides exhaustive criteria for several core categories of devices:
A mandatory, required, or strictly prohibitive practice. These statements use the word "shall" and appear in bold text. Federal Manual On Traffic Control Devices
Informational statements that provide background, data, or context without containing any mandates, recommendations, or permissions. 📖 Major Categories of Traffic Control Devices The manual provides exhaustive criteria for several core
The primary objective of the manual is to promote safety and efficiency on the nation's highways and streets. or context without containing any mandates
The manual strictly divides its provisions into four categories to help engineers determine what is flexible and what is mandatory:
Manual on Uniform Traffic Control Devices (MUTCD), 2nd edition
Standardizes the shape, color, size, and fonts of signs and markings so road users instantly recognize and understand them in any state.