Route 18
NH 18 forms a 28 mile multi-state route with VT 18 from St. Johnsbury and Waterford, Vermont to Littleton, Bethlehem and I-93/U.S. 3 in Franconia. The entire route of both VT 18 and NH 18 was supplanted by construction of Interstate 93.
North 
South
NH 18 north & NH 135 south travel from outside the Littleton town center to rural west Littleton along the Connecticut River. The state routes converge with I-93 at a parclo interchange (Exit 44) just south of the Vermont state line.
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Interstate 93 winds east from NH 18/135 around the periphery of Moore Reservoir and Walker Mountain into central Littleton.
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South North
Leading away from the parclo interchange (Exit 44) with I-93, NH 18 south & NH 135 (St. Johnsbury Road) north encircle southern reaches of Moore Reservoir before turning east to Walker Mountain and their split at I-93 (Exit 43).
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- AARoads: 07/23/00
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Page Updated Tuesday February 17, 2015.