Each State shall certify to the Federal Highway Administrator, before January 1 of each year, that it is enforcing all State laws respecting maximum vehicle size and weight permitted on what, prior to October 1, 1991, were the Federal-aid Primary, Secondary, and Urban Systems, including the Interstate System, in accordance with 23 U.S.C. § 127. The States must also certify that they are enforcing and complying with the ISTEA freeze on the use of LCV’s and other multi-unit vehicles. The certification shall be supported by information on activities and results achieved during the preceding 12-month period ending on September 30 of each year.

[59 FR 30418, June 13, 1994]