closefarm.co.uk

Second, dense spider web of Highway System The United States is extremely welldeveloped highway transportation, highway up to 256,000 km, both north, south or across the East and West, twoway sixlane, eight or even tenlane Highway Drive uncommon. The U.S. government of national highway system is divided into five subsystems, namely, interstate highways, other major transportation arteries, strategic highway network,
The main strategic highway network connection channels and channels of communication traffic artery connection. These five categories overlap highway, a section of highway may be one or both belong to the interstate highway, also belong to the strategic highway network. Strategic highway network and major strategic highway network connection channel is dualuse roads, together constitute the U.S. highway system. Strategic
Highway network length of 100,000 kilometers, including 26,000 km of national defense highways and other highgrade highway, take a large number of military transport missions. Main strategic highway network connection channel length of 2,700 km, will be approximately 200 major military installations or dualuse airport, port and connected with the U.S. strategic highway network. How the U.S. is usually the