Interstate 93 or I -93 is an Interstate Highway in the U.S. state of New Hampshire. The highway forms a north-south route across the state, starting at the Massachusetts border at Salem, and passing through the largest city of Manchester and the capital Concord to the Vermont border at Littleton. The route is 211 kilometers long.
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I-93 at Manchester.
I-93 through the Franconia Notch as super two.
Near the village of Salem, Interstate 93 in Massachusetts crosses the New Hampshire border in 2×3 lanes. North of Salem it narrows to 2×2 lanes. It travels through wooded and somewhat urbanized area through the south of the state, heading northwest. One then reaches Manchester, the largest city in New Hampshire with 107,000 inhabitants. This is where Interstate 293 turns off, which forms a western bypass of the city. I-93 runs in a lavish 2×4 lane along the east side of Manchester. Here the SR-101. saveswhich runs to the Atlantic coast around Portsmouth. North of this, the road narrows to 2×3 lanes. On the north side of Manchester, the road merges with the Everett Turnpike, a toll road from Nashua to Concord. The toll road section has 2×3 lanes.
At the capital Concord, Interstate 89 turns northwest toward Montpelier and Burlington in Vermont. On the north side of Concord, Interstate 393 turns east, quickly becoming a regular highway into Portsmouth. The highway then has 2×2 lanes, and enters the increasingly mountainous area of the White Mountains. US 3 runs parallel to the highway. The mountain peaks along the highway quickly become steeper and higher, reaching more than 1,000 meters. Further north, I-93 runs through the 579-meter high Franconia Notch pass, with peaks up to 1,500 meters on either side. This is a super two. Then the highway descends again to the valley of the Connecticut River. I-93 crosses the border into Vermont at Littleton, and Interstate 93 in Vermont continues a little further towards St. Johnsbury.
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The oldest section of the highway is the Everett Turnpike, a toll road between Manchester and Concord that was constructed in 1956-1957 and became part of the Interstate Highway system. This section opened to traffic on August 29, 1957 and is the oldest section of I-93.
Construction on I-93 itself began in 1959. The first 3 miles from the Massachusetts border was opened in August 1961. At the end of 1961 this section was extended 3 kilometers to Windham, as well as the link between I-293 and SR-101 in Manchester, and in late 1962 a longer extension of 23 kilometers as far as Manchester opened, allowing the highway to be accessed from the Boston area. to Manchester. However, there was a long missing link along the northeast side of Manchester of some 5 miles. Construction began in 1974 and was completed in 1977. This completed the highway between the Massachusetts border and the capital Concord.
North of Concord, most of I-93 was built in the 1960s, but there were two missing links for a long time, the Vermont border stretch north of Littleton and the section through the Franconia Notch. The border section with Vermont opened on October 29, 1982.
Controversial was the construction of I-93 through Franconia Notch, a portion of the White Mountains that has peaks between 1,200 and 1,600 meters. Ultimately, the Franconia Notch Parkway was chosen here, largely a super two to minimize the impact on the nature reserve. Construction of the Franconia Notch Parkway was approved in 1977, but construction did not begin until the 1980s. This section opened on June 2, 1988, completing I-93 through New Hampshire. The super two is one of the rarities within the Interstate Highway system.
|Exit – (I-293) Manchester||Exit 12 Concord||16 km||29-08-1957|
|Exit 0 Massachusetts state line||Exit 2 Salem||5 km||00-08-1961|
|Exit 2 Salem||Exit 3 Windham||3 km||00-1x-1961|
|Exit – I-293 (Manchester)||Exit 7 Hwy 101||3 km||00-1x-1961|
|Exit 3 Windham||Exit – I-293 (Manchester)||23 km||00-1x-1962|
|Exit 26 Plymouth||Exit 28 Campton||10 km||circa 1963|
|Exit 35 Franconia||Exit 42 Littleton||17 km||circa 1963|
|Exit 12 Concord||Exit 20 Tilton||34 km||00-00-1963|
|Exit 20 Tilton||Exit 23 New Hampton||32 km||29-06-1964|
|Exit 23 New Hampton||Exit 26 Plymouth||31 km||00-00-1965|
|Exit 28 Campton||Exit 33 North Woodstock||25 km||1960s/70s|
|Exit 7 Hwy 101||Exit – I-293 (Manchester)||8 km||00-00-1977|
|Exit 42 Littleton||Exit 44 Vermont state line||15 km||29-10-1982|
|Exit 33 North Woodstock||Exit 35 Franconia||15 km||02-06-1988|
Widening Salem – Manchester
As early as 1985, it was recommended that I-93 between the Massachusetts and Manchester border be widened to 2×4 lanes for 20 miles. Originally the highway had 2×2 lanes and was chronically congested by the strong urbanization of southeastern New Hampshire. Between 2011 and 2019, the highway was widened to 2×4 lanes, with space reserved for a light rail in the median strip. In 2014, a small part of Salem was already widened to 2×3 lanes. The project was completed in 2019.
It is planned to widen I-93 through Concord to 2×3 lanes for 7 miles from I-89 to the Merrimack River.
Some 108,000 vehicles cross the Massachusetts border at Salem every day and remain fairly busy as far as Manchester. About 60,000 vehicles a day drive between Concord and Manchester. Further north, this drops to barely 6,000 vehicles per day.