New Hampshire
| Trillion Dollar Highway Plans = Multiple Bypass Surgery a state by state list |
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| High Priority Corridors specified by Congress in 1991, 1995, 1998, 2005, 2012 |
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| NAFTA Superhighways | |
| Corridors of the Future | |
| J. Edgar Hoover Parkway: transportation surveillance, mileage taxes, RFID & video tolling |
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| Paving Appalachia:
Corridor A to X in AL, GA, MD, MS, NC, NY, OH, PA, SC, TN, VA, WV |
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| Alabama | Nebraska |
| Alaska | Nevada |
| Arizona | New Hampshire |
| Arkansas | New Jersey |
| California | New Mexico |
| Colorado | New York |
| Connecticut | North Carolina |
| Delaware | North Dakota |
| Florida | Ohio |
| Georgia | Oklahoma |
| Hawai'i | Oregon |
| Idaho | Pennsylvania |
| Illinois | Rhode Island |
| Indiana | South Carolina |
| Iowa | South Dakota |
| Kansas | Tennessee |
| Kentucky | Texas |
| Louisiana | Utah |
| Maine | Vermont |
| Maryland | Virginia |
| Massachusetts | Washington |
| Michigan | Washington, D.C. |
| Minnesota | West Virginia |
| Mississippi | Wisconsin |
| Missouri | Wyoming |
| Montana | |
High Priority Corridor 50: East-West Corridor
New York: US 11 -
Watertown to Rouses Point
Vermont: US 2 - Burlington, Montpelier, St. Johnsbury
New Hampshire: US 2
Maine: US 2, I-395 (Bangor), Route 9 to Calais (Canadian border)
several new bypasses recently built in southern New Hampshire