1. Short title This Act may be cited as the Safer Highways and Increased Performance for Interstate Trucking Act or the SHIP IT Act . 2. Modernizing authority for certain vehicle waivers during emergencies Section 127(i) of title 23, United States Code, is amended to read as follows: (i) Special Permits During Periods of National Emergency (1) In general Notwithstanding any other provision of this section, a State may issue special permits during an emergency to overweight vehicles and loads that can easily be dismantled or divided if the conditions of either paragraph (2) or paragraph (3) are met. (2) Presidential declaration The conditions of paragraph (2) as referenced in paragraph (1) of this subsection are— (A) the President has declared the emergency to be a major disaster under the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq. ); (B) the permits described in paragraph (1) are issued in accordance with State law; (C) the permits are issued exclusively to vehicles and loads that are delivering relief supplies; and (D) a permit shall expire not later than 120 days after the date of the declaration of emergency under subparagraph (A) of this paragraph. (3) Secretarial declaration The conditions of paragraph (3) are the following: (A) The Secretary has declared that— (i) emergency or other unusual conditions, including weather, fire, earthquake, disease, or natural emergencies and including financial or other non-natural emergencies, are having a negative impact on commerce in a State or regionally or nationally; or (ii) supply chains in United States commerce are functioning in a suboptimal manner in a State or regionally or nationally, either in terms of slow overall movement, freight traffic congestion, or otherwise. (B) The permits described in paragraph (1) are issued in accordance with State law. (C) The permit shall expire— (i) 365 days after the Secretary makes a declaration pursuant to subparagraph (A), unless the expiration date is extended by the Secretary