The Federal Aid Road Act of July 11, 1916 (39 Stat. 355; 16 U.S.C. 503; 23 U.S.C. 15, 48), signed into law by President Woodrow Wilson, initiated federal aid for highways with the requirement that each state receiving aid have a state highway department that controlled the building of roads. Jun 07, 2009 · It also means to pick up your dog's crap when they are away from your property. Curb actually means to check or restrain behavior. Sometimes it's through use of a bit for a horse, or a leash for a dog. Most adults "curb" their own behavior through self control. In the case of inmates their behavior is curbed by prison walls & guards.