National Highway Freight Network

The National Highway Freight Network is composed of the Primary Highway Freight System (PHFS), other Interstate portions, Critical Rural Freight Corridors (CRFCs), and Critical Urban Freight Corridors (CUFCs). The PHFS was set by the FAST Act. CRFCs and CUFCs have yet to be designated.国家公路货运网络由干线公路货运系统（Primary Highway Freight System, PHFS）、其余州际公路路段、乡村关键货运通道（Critical Rural Freight Corridors, CRFCs）以及城市关键货运通道（Critical Urban Freight Corridors, CUFCs）组成。干线公路货运系统由《美国地面运输振兴法案（FAST Act）》确立。乡村关键货运通道与城市关键货运通道目前尚未完成划定。