41 C.F.R. § 102-117.125 – Other assistance by GSA.

(a) Oversees all public utilities used by the Federal Government including transportation. There are specific regulatory requirements a TSP must meet at the State level, such as the requirement to obtain a certificate of public convenience and necessity.
(b) Maintains a list of TSPs which meet certain criteria regarding insurance and safety and are approved by the Department of Transportation. Agencies must furnish GSA with an affidavit to determine if the TSP meets basic qualifications to protect the Government's interest. For further information email transportation.programs@gsa.gov.
(c) Represents agencies in negotiations with TSPs.