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418:(Lafayette Road) south of downtown Portsmouth. Formerly a half-interchange with limited access and a flyover ramp, the old interchange was converted to a standard three-way intersection with full access in 2013. US 1 Bypass heads northwest and has two at-grade intersections with Borthwick Avenue and Coakley Road/Cottage Street before it comes to a large rotary, the
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built in 1940 which carried US 1 Bypass and a railroad bed over the
Piscataqua River, was closed on August 21, 2016, after its lift system failed. Demolition began two months later and a $ 158.5 million replacement bridge underwent construction. The new bridge was expected to open to traffic in
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918:
465:(SR 103). The remaining stretch of highway ceases to be limited-access, with local businesses and parking lots straddling the roadway. The final northbound exit connects to
484:
In Maine, US 1 Bypass was originally designated in 1960 as US 1A. Although it is signed as a bypass, MaineDOT still includes the mileage of US 1 Bypass as part of US 1A.
461:
Continuing north from the bridge, US 1 Bypass interchanges with Bridge Street (northbound) and Oak
Terrace (southbound), local roads which provide a connection to
441:
Upon leaving the rotary, US 1 Bypass immediately interchanges with
Woodbury Avenue, which provides access to downtown and directly serves the retail district of
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The Maine–New
Hampshire Interstate Bridge, carrying the bypass and railroads over the Piscataqua River, opened to traffic on November 8, 1940.
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445:. The highway continues northeast, interchanging with Maplewood Avenue, and crossing over Market Street before reaching the
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438:. US 1 Bypass enters the circle from the southeast and leaves via the first exit, turning to the northeast towards Maine.
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November 2017, but did not open until March 2018. Until that time, traffic was required to use either the
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access. The southern portion is similarly constructed, although there are two four-way intersections with
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481:. US 1 Bypass southbound has exits for I-95 south and north as well as SR 236 at the northern terminus.
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just south of the circle and a third at its south end, just before intersecting with US 1.
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The Sarah
Mildred Long Bridge (2018) carrying US 1 Byp. between New Hampshire and Maine
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Template:Attached KML/U.S. Route 1 Bypass (Portsmouth, New
Hampshire–Kittery, Maine)
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386:
36:
974:
382:
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Bureau of
Planning & Community Assistance (February 20, 2015).
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1005:"U.S. Route 1 Bypass (Portsmouth, New Hampshire–Kittery, Maine)"
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Bureau of
Planning & Community Assistance (April 3, 2015).
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473:. This ramp best serves SR 236 northbound, which connects to
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1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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Special routes of the United States
Numbered Highway System
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Southern terminus of NH 16, eastern terminus of US 4
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1150:Transportation in Rockingham County, New Hampshire
1032:"Maine – N.H. Interstate Bridge Opened to Public"
519:(US 1) to cross between Portsmouth and Kittery.
506:The Sarah Mildred Long Bridge, a double-decker
18:Maine–New Hampshire Interstate Bridge Authority
1068:"Nodal Reference 2015, State of New Hampshire"
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969:
967:
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365:. Most of its north section, northeast of the
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8:
921:: US Route 1 Bypass of Portsmouth, NH (1940)
1072:New Hampshire Department of Transportation
949:New Hampshire Department of Transportation
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434:(NH 16) and the eastern terminus of
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919:New Hampshire Historical Marker No. 234
814:Northbound exit and southbound entrance
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1086:City of Portsmouth, Rockingham County
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385:standards, with no cross traffic but
232:United States Numbered Highway System
7:
1155:Transportation in York County, Maine
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349:) is a 4.3-mile-long (6.9 km)
27:Highway bypass in the United States
979:Maine Department of Transportation
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1160:U.S. Highways in New Hampshire
1:
1040:. November 8, 1940. p. 1
764: / Bridge Street –
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422:, where it interchanges with
79:: 2.756 miles (4.435 km)
975:"MaineDOT Public Map Viewer"
426:and the southern end of the
266:New Hampshire Highway System
84:: 1.56 miles (2.51 km)
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947:. Concord, New Hampshire:
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381:, is built to rudimentary
301:Maine State Highway System
1175:Portsmouth, New Hampshire
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451:Sarah Mildred Long Bridge
420:Portsmouth Traffic Circle
367:Portsmouth Traffic Circle
359:Portsmouth, New Hampshire
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586:(Lafayette Road) –
513:Piscataqua River Bridge
449:and crossing it on the
1165:U.S. Highways in Maine
432:New Hampshire Route 16
414:US 1 Bypass begins at
411:
329:Lettered highways
1037:The Portsmouth Herald
463:Maine State Route 103
409:
1127:KML is from Wikidata
588:Portsmouth Downtown
496:2016 bridge closure
369:where it meets the
343:U.S. Route 1 Bypass
123:Major intersections
63:Auxiliary route of
42:U.S. Route 1 Bypass
643:Spaulding Turnpike
428:Spaulding Turnpike
412:
379:Spaulding Turnpike
371:Blue Star Turnpike
160:Spaulding Turnpike
945:"NH Public Roads"
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901:Incomplete access
397:Route description
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162:in Portsmouth, NH
58:Route information
16:(Redirected from
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517:Memorial Bridge
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1170:Kittery, Maine
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873:Maine Turnpike
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515:(I-95) or the
500:Main article:
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479:Maine Turnpike
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391:traffic lights
363:Kittery, Maine
347:US 1 Byp.
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167:North end
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103:South end
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810:South Berwick
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798:Kittery Point
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715:New Hampshire
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688:; I-95 exit 5
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681:Massachusetts
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377:or I-95) and
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375:Interstate 95
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1145:U.S. Route 1
1103:
1075:. Retrieved
1048:– via
1044:December 25,
1042:. Retrieved
1035:
1026:
1014:. Retrieved
1008:
982:. Retrieved
952:. Retrieved
898:
549:Destinations
505:
491:
483:
460:
440:
413:
355:U.S. Route 1
346:
342:
341:
299:
264:
230:
93:1940–present
1010:Google Maps
794:SR 236
762:SR 103
508:lift bridge
324:Auto trails
180:Kittery, ME
1134:Categories
926:References
721:state line
635:NH 16
568:Portsmouth
563:Rockingham
309:Interstate
274:Interstate
156:NH 16
1016:April 25,
867:north to
865:US 1
806:Navy Yard
766:Navy Yard
655:Rochester
639:US 4
584:US 1
443:Newington
436:US 4
289:Turnpikes
213:York (ME)
176:US 1
152:US 4
112:US 1
65:US 1
1105:KML file
1077:April 7,
984:April 9,
954:April 7,
913:See also
877:Portland
875: –
871: /
796: –
675: –
645: –
641: /
536:Location
387:driveway
205:Counties
190:Location
158: /
154: /
150: /
1007:(Map).
881:Augusta
737:Kittery
647:Concord
488:History
383:freeway
250:Divided
245:Special
195:Country
90:Existed
533:County
471:SR 236
351:bypass
71:Length
802:Eliot
774:Eliot
727:Maine
719:Maine
705:4.435
700:2.756
677:Maine
651:Dover
600:2.274
597:1.413
575:0.000
572:0.000
552:Notes
530:State
457:Maine
319:State
284:State
82:Maine
1114:help
1110:edit
1079:2015
1046:2021
1018:2018
986:2017
956:2015
869:I-95
822:2.51
819:1.56
785:2.00
782:1.24
744:0.47
741:0.29
732:York
707:0.00
702:0.00
673:I-95
475:I-95
469:and
467:US 1
424:I-95
416:US 1
361:and
240:List
148:I-95
760:To
671:To
637:to
357:in
353:of
178:in
114:in
1136::
1112:•
1070:.
1058:^
1034:.
994:^
977:.
964:^
933:^
879:,
808:,
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772:,
768:,
679:,
653:,
649:,
545:km
540:mi
453:.
314:US
279:US
211:,
1116:)
1108:(
1081:.
1052:.
1020:.
988:.
958:.
717:–
430:/
373:(
345:(
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
