Map of central New Hampshire with NH 140 highlighted in red
|Maintained by NHDOT|
|Length||21.142 mi (34.025 km)|
|West end||I-93 / US 3 / NH 11 / NH 132 in Tilton|
|East end||NH 11 / NH 28A in Alton|
New Hampshire Route 140 is a 21.142-mile-long (34.025 km) east–west state highway in central New Hampshire, running from Tilton to Alton. The western terminus of NH 140 is in Tilton at an intersection with U.S. Route 3, New Hampshire Route 11 and New Hampshire Route 132, located at exit 20 on Interstate 93. The eastern terminus is in Alton at NH 11 and New Hampshire Route 28A (Main Street). In Alton, the road is named the Frank C. Gilman Highway.
NH 140 (along with I-93) is commonly used as an alternative for motorists during the busiest NASCAR events at New Hampshire Motor Speedway in Loudon. The main highway to the speedway, New Hampshire Route 106, is converted to one-way traffic to accommodate the increased amount of traffic.
US 3 / NH 11 / NH 132 – Tilton, Franklin, Laconia
|Western terminus; Exit 20 on I-93|
||No major junctions|
|Belknap||Belmont||5.006||8.056||NH 106 – Laconia, Concord, Speedway|
|Gilmanton||8.940||14.388||NH 107 – Laconia, Pittsfield|
|Alton||21.142||34.025||NH 11 / NH 28A – Alton Bay, Wolfeboro, Rochester||Eastern terminus|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015.
- Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.
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