1. Short title This Act may be cited as the Truck Parking Safety Improvement Act . 2. Parking for commercial vehicles (a) Sense of Congress It is the sense of Congress that it should be a national priority to address the shortage of parking for commercial motor vehicles on the Federal-aid Highway System to improve highway safety. (b) Parking for commercial vehicles Chapter 1 of title 23, United States Code, is amended by adding at the end the following: 171. Parking for commercial vehicles (a) Set aside Before making an apportionment for a fiscal year under paragraph (1), (2), (3), or (5) of section 104(b), the Secretary shall set aside, from amounts made available to carry out the national highway performance program under section 119, the surface transportation block grant program under section 133, the highway safety improvement program under section 148, and the national highway freight program under section 167, for such fiscal year, amounts described in subsection (b) of this section for providing parking for commercial motor vehicles on Federal-aid highways. (b) Amounts decribed The amounts referred to in this subsection are at least— (1) $125,000,000 for fiscal year 2021; (2) $140,000,000 for fiscal year 2022; (3) $150,000,000 for fiscal year 2023; (4) $165,000,000 for fiscal year 2024; and (5) $175,000,000 for fiscal year 2025. (c) Distribution among programs The amounts described in subsection (b) shall be determined by multiplying the set aside amount for a fiscal year by the ratio that— (1) the total initial apportionment for each program described in subsection (a) for a fiscal year; bears to (2) the total initial apportionment for all programs described in subsection (a) for such fiscal year. (d) Distribution among States The amounts described in subsection (c) shall be set-aside from the States as determined by multiplying the set aside amount for each program by the ratio that— (1) the initial apportionment for a State for such program described in subsection (c) for a fiscal year