Code of Federal Regulations Title 49. Transportation § 49.260.9 Loan terms

The maximum repayment period for direct loans and guaranteed loans under this part is 25 years from the date of execution. The interest rate on direct loans will be equal to the rate on Treasury securities of a similar term. In general, the financial assistance provided will be required to be repaid prior to the end of the useful life of the project it is used to fund.