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|direction_b=North |terminus_b= near Chartierville, Quebec |browse= }} U.S. Route 3 (US 3) is a United States highway running from Cambridge, Massachusetts,〔The official end according to AASHTO is at US 20 across the Charles River in Boston, though current signs indicate a terminus in Cambridge at Massachusetts Routes 2A/3.〕 through New Hampshire, to the Canadian border near Third Connecticut Lake, where it connects to Quebec Route 257. In New Hampshire, parts of US 3 are known as the Daniel Webster Highway. From Burlington, Massachusetts, to Nashua, New Hampshire, US 3 is a freeway. The segment in New Hampshire is a free portion of the Everett Turnpike, while the portion in Massachusetts is known as the Northwest Expressway. A second freeway portion exists in northern New Hampshire, where US 3 utilizes the Franconia Notch Parkway, overlapping Interstate 93. Massachusetts Route 3 connects to the southern terminus of US 3 in Cambridge and continues south to Cape Cod. Though it shares a number, it has never been part of US 3. Both routes, which connect end-to-end, are treated as a single state highway by MassDOT, with mileposts increasing continuously from Cape Cod all the way to the New Hampshire state border. ==Route description== |- |MA | |- |NH | |- class="sortbottom" |Total | |} 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「U.S. Route 3」の詳細全文を読む スポンサード リンク
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