H.R.3929: To amend titles 23 and 49, United States Code, concerning length and weight limitations for vehicles operating on Federal-aid highways, and for other purposes.

To amend titles 23 and 49, United States Code, concerning length and weight limitations for vehicles operating on Federal-aid highways, and for other purposes. 10/23/2007--Introduced. Safe Highways and Infrastructure Preservation Act - Amends federal transportation law to prohibit a state from prescribing or enforcing any regulation that allows a restricted property-carrying unit (any trailer, semi-trailer, container, or other property-carrying unit longer than 53 feet, except for a fire-fighting unit) to operate on the National Highway System (NHS) (including the Interstate System), unless the operation of such unit is authorized by the state on June 1, 2007, and in actual and lawful operation on a regular or periodic basis (including seasonal operations) on or before that date. Prohibits a state from allowing the operation of a commercial motor vehicle combination on the NHS (except a vehicle or load that cannot be dismantled or divided easily, and that has been [...]

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