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The Circumferential Highway is the commonly accepted name for a bypass route around the city of Nashua in southern New Hampshire, the majority of which has not yet been built. The purpose of the highway is to provide an alternate route for commuters to access the F.E. Everett Turnpike and U.S. Route 3 in Nashua. Most of the highway will be built in Hudson, with small sections also built through the towns of Litchfield and Merrimack as well as the city of Nashua. Currently, the only segment to be built is a short interchange road between US 3, the Daniel Webster Highway, and N.H. Route 3A. This section utilizes the Sagamore Bridge, one of the two current bridges over the Merrimack River connecting Hudson to Nashua. The completed section begins at US 3, terminates at NH Route 3A to the east, and has a single interchange between its termini with the D.W. Highway before it crosses the river. == Justification for the highway == The Circumferential Highway has been planned since the 1950s, as the need for such a road has been apparent for a long time. To date, however, only a short segment has been built. One of the major provisions of the plan for the highway is to provide a new crossing over the Merrimack River.〔 Currently there are four bridges over the Merrimack River between Lowell, Massachusetts and Manchester, New Hampshire. Drivers wishing to access U.S. Route 3 from the east side of the river have the following options (listed here from south to north): * The Tyngsboro Bridge, which provides access to US 3 via Massachusetts Route 113. * The Sagamore Bridge, connecting the Everett Turnpike (US 3) to New Hampshire Route 3A in Hudson, with an intermediate exit at the Daniel Webster Highway in the South Nashua retail district. * The Taylor Falls/Veterans Memorial Bridges (a.k.a. The Hudson Bridge), which puts traffic through the city streets of Nashua, such as Hollis Street and Canal Street, streets which cross several train tracks, and which lack the capacity to handle the demand. * The Raymond Wieczorek Drive/Manchester Airport Access Road bridge, built in 2011, which provides a connection between NH Route 3A in the southern tip of Manchester, a few miles south of Interstate 293, and the Everett Turnpike in the southern corner of Bedford, with an interchange connecting the road with US 3. The Circumferential Highway would provide an additional river crossing between Nashua and Manchester, where one does not exist. The Sagamore Bridge crossing south of downtown Nashua was expanded and forms the only portion of the Circumferential Highway that has been constructed. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Circumferential Highway (Nashua)」の詳細全文を読む スポンサード リンク
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