TxDot is exploring the possibility of adding rail and utility lines to the Ports to Plains Corridor.
CSX and BNSF have announsed developement of a intermodal corridor linking CA and the SE US.
Arkansas officials have announced that they will be considering regional authorities based on the Texas' concept. A serious short fall on highway money means that will have to toll Priority Corridor # 72, up around WalMartville and probably High Priority Corridor 18, if the can ever figure out where the Chinese invaders want that corridor built.