U.S. Federal Route 7 is the main north-south highway in Central Addison County. It runs from the Addison/Rutland County Line, enar Sudbury, to the Chittenden/Addison County Line, near North Ferrisburgh. U.S. Rt. 7 passes through the following towns in Addison County. Leicester Middlebury New Haven Junction Ferrisburgh U.S. Rt. 7 is multi-plexed in Addison County. Vermont State Route 125, from near East Middlebury to Middlebury. Vermont State Route 17, at New Haven Junction. U.S. Rt. 7 intersects the following highways in Addison County. Vermont State Route 53, at Leicester. Vermont State Route 116, near East Middlebury. Vermont State Route 125, near East Middlebury. Vermont State Route 30, at Middlebury. Vermont State Route 125, at Middlebury. Vermont State Route 17, at New Haven Junction.