Truck Parking Safety Improvement Act This bill directs the Department of Transportation (DOT) to set aside certain funds through FY2025 to provide parking for commercial motor vehicles on the federal-aid highway system. DOT must use the funds it sets aside to provide competitive grants to states, metropolitan planning organizations, local governments, and certain public agencies for projects that provide parking for commercial motor vehicles on federal-aid highways or on a facility with reasonable access to such a highway or a freight facility. The federal share for a project carried out in accordance with the bill must be 100%.