46 U.S.C. § 55602

1. (a)The Secretary of Transportation shall enter into memorandums of understanding with the heads of other Federal entities to transport federally owned or generated cargo using a marine highway transportation project designated under section 55601 when practical or available.
2. (b)The Secretary shall consult shippers and other participants in transportation logistics and develop proposals for short-term incentives to encourage the use of marine highway transportation.