To amend the Internal Revenue Code of 1986 to modify the railroad track maintenance credit.

This bill increases the tax credit for railroad track maintenance from $3,500 to $6,100 per mile of track. It adds an inflation adjustment starting in 2026, linking future credit amounts to the cost-of-living index. The bill also extends the qualifying period for maintenance expenditures from January 1, 2015, to January 1, 2024. These changes apply to tax years beginning after December 31, 2024, directly affecting railroad companies that maintain tracks.