Assertion: semitrailer | /r/AtLocation | legal operation
Facets:
value: on december
type: TEMPORAL
Source sentences:
text: States must allow the trailing units to be a minimum of 28 feet each, or 28.5 feet if the semitrailer was in legal operation on December 1, 1982, with no overall length limit on the combination on the NN and reasonable access routes.
text: No State shall impose a length limitation of less than 28 feet on any semitrailer or 28 ½ feet if the semitrailer was in legal operation on December 1, 1982, operating in a truck-tractor semitrailer-semitrailer combination.