¥Unique Application of Federal Supremacy
§A
Speed Limit Sign is a federal device, MUTCD 2B.13 (R2-1), which a posting authority is authorized to use providing they comply with the Law of the Land; the U.S. Constitution, CongressÕ intent in this field, Title 23 and its MUTCD et al, Supremacy, Commerce and Equal Protection Clause(s), the 4th, 5th, 6th and 14th amendment protections thereof regarding the exercise of police powers enforcing federally regulated devices.