Description
On a brick red disc with a 1/8 inch (.32 cm) golden yellow border 2 1/4 inches (5.72 cm) in diameter overall, a central yellow circular band conjoined with four yellow diagonal bands saltirewise throughout bearing eight black billets saltirewise.

Symbolism
Brick red and golden yellow are colors used for Transportation. The yellow rim with diagonal bands joined by a ring in the center simulates a steering wheel and refers to the motor transport mission of the organization. The yellow intersecting bands are also indicative of highways. Together with the black rectangles which denote the movement of cargo and personnel by highway transport it depicts the Brigade’s coordination and control of highway transportation with special reference to continuous intersectional and other line haul operations.

Background
The shoulder sleeve insignia was originally approved for the 425th Transportation Command on 8 May 1967. It was redesignated for the 425th Transportation Brigade on 25 February 1972. (TIOH Drawing Number A-1-453)