This bill establishes a significant grant program, administered by the Federal Railroad Administration, to enhance the safety and efficiency of freight rail transportation by funding freight railcar owners or operators for the purchase and installation of onboard telematics systems and gateway devices . The primary goal is to achieve near real-time visibility of railcar location, asset health, and commodity safety, including monitoring critical parameters like wheel temperature, hand brake status, hatch position, and internal railcar temperature. This initiative aims to reduce reliance on manual data, improve overall operational efficiency, and develop alerts for mechanical issues. Grant prioritization favors newly built railcars and those undergoing certification or maintenance, with the highest priority given to tank cars in toxic inhalation hazard (TIH/PIH) service , followed by other hazardous materials and specialized tank cars. Additionally, the legislation mandates a pilot program to assist freight railcar owners and manufacturers in developing advanced onboard sensor technologies . This program aims to further improve real-time visibility of asset and commodity safety, encouraging sensors that communicate data to identify potential hazards and inform maintenance requirements. For these efforts, the bill authorizes appropriations of $100,000,000 annually for the telematics grant program and $10,000,000 annually for the sensor development pilot program, both for fiscal years 2026 through 2029. The Secretary of Transportation is also required to submit a comprehensive report on the grant program's implementation and effects within three years of enactment, ensuring accountability and future recommendations.