Interstate 89 (abbreviated I-89) is an interstate highway in the New England region of the United States. As with all odd-numbered primary interstates, I-89 is signed as a north-south highway. However, the northwest-to-southeast path the road actually takes serves in two capacities. It is the closest thing to an east-west interstate highway above Interstate 90 in New England, and serves as the main connection between the major cities of Montreal, Canada, and Boston, Massachusetts.
Interstate 89 connects smaller cities and rural areas within the two states it enters, and maintains two lanes of traffic in each direction throughout its entire distance. Unlike its neighboring Interstates (91 and 93), it does not intersect any even-numbered Interstates along its route. It does, however, parallel (and interchange multiple times with) portions of three U.S. routes: U.S. Route 4 from Enfield to White River Junction; U.S. Route 2 from Montpelier to Colchester, and U.S. Route 7 from Burlington to the Canadian border.
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Interstate 89 Guide - iTravel.mobi