"The NASCO Corridor encompasses Interstate Highways 35, 29 and 94, and the significant connectors to those highways in the United States, Canada and Mexico. The Corridor directly impacts the continental trade flow of North America. Membership includes public and private sector entities along the Corridor in Canada, the United States and Mexico."
The corridor concept is to offload intemodal container freight in Manzanillo, Mexico. Manzanillo is one of the largest deep-water ports on the western side of North America, rivaling Long Beach and Los Angeles. Containers will then be loaded on trains and trucks, given a special electronic clearance, and then transported directly to Kansas City (an "inland port" in this scheme of things) where the freight will go through a customs procedure prior to being redistributed to other destinations. This freight traffic will bypass Mexican and U.S. customs check areas at Laredo.
Ultimately, container traffic will bypass border check points in all directions. Canadian containers can proceed from Canada directly to the Manzanillo port for shipping, thus skirting U.S. or Mexican border requirements.
There is also a Mexican Mega-port being planned, reported to be larger than the Long Beach and Los Angeles ports combined, along with a rail project. Hutchison Whampoa appears as one of those involved in the $20+ Billion investment. Punta Colonet