The purpose of the Protecting Homes from Trains Act of 2025 is to enhance safety and quality of life for residents living near rail lines. The legislation aims to establish a grant program that will fund the construction of barriers to protect homes from the negative impacts of rail activity, such as noise, vibrations, and the potential for damage from train derailments. Key provisions of the legislation include the establishment of a grant program by the Secretary of Transportation within 180 days of the law's enactment.