The Long-Distance Corridor Relief Act would change how the Transportation Department selects long-distance intercity passenger rail routes for federal funding under the Corridor Identification and Development Program. Specifically, the bill removes a requirement that the department consider whether states or private entities have committed to providing their own funding for these rail projects. This change affects long-distance passenger rail routes nationwide that seek federal support. By eliminating the non-federal funding requirement from consideration, the bill aims to make it easier for long-distance rail corridors to qualify for federal investment, even if states or partners cannot pledge matching funds. The legislation does not specify new funding amounts or implementation timelines.