Within an AO there will typically be one Main Supply Route along which vehicles, personnel and supplies will be transported.
East Coast Main Line | West Coast Main Line | U.S. Route 66 | U.S. Route 1 | U.S. Route 6 | U.S. Route 101 | Main | Air Supply | Route 66 | U.S. Route 30 | Offenbach am Main | New Jersey Route 4 | European route E65 | U.S. Route 40 | California State Route 1 | Great Central Main Line | U.S. Route 1 in Maine | Pennsylvania Route 309 | Main (river) | European route E18 | U.S. Route 23 | European route E4 | U.S. Route 9 in New York | U.S. Route 11 | Pennsylvania Route 82 | Ministry of Supply | Midland Main Line | Main Street | European route E70 | U.S. Route 90 |
The highway helped General George Washington's troops during the American Revolutionary War and was also the main supply route to the hamlets of Payne's Corners (now Amenia), Washiac (now Wassaic) and Dover Plains.
The Pamir Highway, the world's second highest international road, runs from Dushanbe in Tajikistan to Osh in Kyrgyzstan through the Gorno-Badakhshan Autonomous Province, and is the isolated region's main supply route.