traffic signal module
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 6291 — for purposes of this part
The term “traffic signal module” means a standard 8-inch (200mm) or 12-inch (300mm) traffic signal indication that—
(A) consists of a light source, a lens, and all other parts necessary for operation; and
(B) communicates movement messages to drivers through red, amber, and green colors.