Federal Manual On Traffic Control Devices < INSTANT • PACK >

The manual strictly divides its provisions into four categories to help engineers determine what is flexible and what is mandatory:

Standardizes the shape, color, size, and fonts of signs and markings so road users instantly recognize and understand them in any state. Federal Manual On Traffic Control Devices

Reduces the frequency and severity of crashes by providing clear, predictable guidance. The manual strictly divides its provisions into four