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Route 1A is a north–south state highway in Massachusetts. It is an alternate route to U.S. 1 with three signed sections and two unsigned sections where the highway is concurrent with its parent. Due to the reconfiguration of tunnel interchanges brought on by the completion of the Big Dig, Route 1A is discontinuous in the downtown Boston area. Vehicles entering Downtown Boston via the Sumner Tunnel must take I-93 north to the exit for Government Center and make a U-turn to access the entrance ramp to I-93 south (which silently carries Route 1A south as well) and vice versa.[2]

Massachusetts Route 1A marker

Route 1A
Route information
Maintained by MassDOT
Length95.12 mi[1] (153.08 km)
Existedby 1927–present
Major junctions
South end US 1A in Pawtucket, RI
  I‑95 in Attleboro
I‑495 in Wrentham
US 1 in Dedham
I‑93 / US 1 / Route 3 in Boston
I‑90 / Mass Pike in Boston
Route 128 in Beverly
US 1 from Newburyport to Salisbury
North end NH 1A in Seabrook, NH
Highway system
US 1Route C1

Contents

Route descriptionEdit

Rhode Island border to AttleboroEdit

A short segment of Route 1A, 1.8 miles (2.9 km) in length, in Attleboro runs from U.S. Route 1A at the Rhode Island border through a junction with Interstate 95, before heading north and merging with Route 1. The entire length of this segment is known as Newport Avenue.

North Attleborough to DedhamEdit

This segment of Route 1A extends roughly north from North Attleborough to Dedham, passing through the towns of Plainville, Wrentham, Norfolk, Walpole, Norwood and Westwood on the way. Prior to its realignment along I-95 and I-93, Route 1 continued north along the Providence Highway towards Boston at the junction of Route 1A and that road.

Boston to SalisburyEdit

This segment of Route 1A extends from Boston, Massachusetts to Salisbury, Massachusetts.

The highway starts from US 1 (which is on the Central Artery with I-93 and Route 3) at the former Government Center/Logan Airport interchange. It passes through the Callahan Tunnel (outbound/northbound) and Sumner Tunnel (inbound/southbound), becoming the East Boston Expressway past Logan Airport. The East Boston Expressway was the first freeway built in the city. Immediately beyond Logan Airport, Interstate 90 ends at Route 1A.

The road continues as a divided highway through Revere. It is a limited access highway through Revere, passing Suffolk Downs and the Wonderland Greyhound Park (which is across the street from the outer terminus of the MBTA's Blue Line), before running through the isolated Point of Pines neighborhood and exiting Revere over the General Edwards Bridge into Lynn. For the first mile and a half in Lynn, it is concurrent with the Lynnway, and is a high-traffic retail area. After the Lynnway portion, the route becomes concurrent with Route 129 for a mile, before crossing into Swampscott as Paradise Road. At Vinnin Square, it passes into Salem as Loring Avenue, passing by Salem State University. The route turns left onto Lafayette Street and is concurrent with Route 114. At the intersection with Derby Street, notable for the large fire station, the route turns right. At the next stop sign, the route turns left onto Hawthorne Boulevard passing Salem Common and the Salem Witch Museum before turning left onto Winter Street. At the end of Winter Street, the route turns right onto Bridge Street crossing the Veterans Memorial Bridge into Beverly. It follows two of the main streets of downtown Beverly, before heading north, passing through Wenham and Hamilton (through this section the road is occasionally signed as a US Route) before becoming the main road through the town of Ipswich, crossing the historic Choate Bridge over the Ipswich River. While in Ipswich, much of the route runs concurrently with Route 133 until just over the town line into Rowley. It passes through the main village of Rowley, as well as the central villages of Newbury. In Newburyport, Massachusetts, it merges with Route 1, signed with its parent highway over the Merrimack River and into the town center of Salisbury. It then heads east from the Salisbury town center before turning north and ending in Salisbury Beach at the New Hampshire border. New Hampshire Route 1A continues north from this point.

Major intersectionsEdit

CountyLocationmi[1]kmDestinationsNotes
BristolAttleboro0.0000.000  US 1A south – PawtucketContinuation into Rhode Island
0.4120.663  I‑95 – Foxboro, Boston, Providence, RIExits 2A-B on I-95
1.6372.634  Route 123 – Attleboro, Brockton, Valley Falls, RI
1.7282.781  US 1 southSouthern terminus of unsigned concurrency with US 1
See US 1 mileposts 2.4–7.0
North Attleborough7.10911.441  US 1 north – BostonNorthern terminus of unsigned concurrency with US 1
NorfolkPlainville7.98112.844   Route 106 east to US 1 – Mansfield, West BridgewaterWestern end of Route 106
Wrentham10.63417.114   I‑495 to I‑95 – Cape Cod, LowellExit 15 on I-495
11.37518.306  Route 121 south – Woonsocket, RINorthern end of Route 121
12.84020.664  Route 140 – Franklin, Foxboro, Taunton
Norfolk15.09124.287  Route 115 – Foxboro, Norfolk, Millis
Walpole19.7031.70  Route 27 – Walpole, Sharon, Stoughton
Dedham27.14443.684    Providence Highway to I‑95 / US 1 / Route 128 – Boston, Providence, RIFormerly US 1, south end of silent concurrency with Providence Highway and then US 1
See Route 128 exits 15-12 and I-93 exits 1-24B
SuffolkBoston   I‑93 north (US 1) / Route 3 north (Storrow Drive) – Government CenterNorthern terminus of silent concurrency with US 1; exit 24B on Central Artery
Haymarket SquareNorthbound entrance only
Sumner (southbound) / Callahan (northbound) Tunnels
East BostonAccess via Porter Street
  Logan Airport
50.02380.504   I‑90 / Mass Pike west to I‑93 south – Williams TunnelEastern end of I-90; southbound exit and northbound entrance
50.30580.958  Route 145 north (Bennington Street) – Winthrop, ChelseaInterchange, southern end of Route 145
Revere52.48784.470  Route 145Interchange, northbound exit and southbound entrance
52.85285.057   Route 16 west / Route 60 west – Malden, Lynn, Revere Beach, ChelseaEastern end of Routes 16 and 60; To US 1 via Route 60 and Route 145 via Route 16
EssexLynn55.84389.871Lynnway east – Nahant, Swampscott
58.01893.371  Route 129 west – LynnfieldSouthern terminus of concurrency with Route 129
59.16795.220  Route 129 east – Swampscott, MarbleheadNorthern terminus of concurrency with Route 129
Salem62.554100.671  Route 114 east – MarbleheadSouthern terminus of concurrency with Route 114
63.326101.913  Route 114 westNorthern terminus of concurrency with Route 114
64.250103.400  Route 107 south – Lynn, MaldenNorth end of Route 107
Danvers River64.933104.500Essex Bridge
Beverly65.447105.327   Route 22 north / Route 127 northSouth end of Routes 22 and 127
66.242106.606  Route 62 – Danvers, Beverly Farms
67.699108.951  Route 97 north – TopsfieldSouth end of Route 97
67.897109.270  Route 128 – Gloucester, Rockport, Peabody, BostonExits 20A-B on Route 128
Ipswich75.603121.671  Route 133 east – EssexSouthern terminus of concurrency with Route 133
Rowley79.754128.352  Route 133 west – GeorgetownNorthern terminus of concurrency with Route 133
Newburyport88.395142.258  Route 113 west – West Newbury, GrovelandEast end of Route 113
88.588142.569  US 1 south – Danvers, BostonSouthern terminus of concurrency with US 1, southbound exit and northbound entrance
Salisbury90.879146.256   US 1 north / Route 110 west – Amesbury, Merrimac, Salisbury BeachNorthern terminus of concurrency with US 1, east end of Route 110
95.120153.081   NH 1A north to NH 286 – HamptonContinuation into New Hampshire
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

ReferencesEdit

  1. ^ a b "Massachusetts Route Log Application". Massachusetts Department of Transportation. 2012. Retrieved November 26, 2014.
  2. ^ Executive Office of Transportation - Office of Transportation Planning Roads - June 2008 The older tunnels to and from East Boston have interchanges with I-93 and surface roads north of the point at which unsigned Route 1A "exits" Route 1 in downtown Boston. Unsigned Route 1A along the Fitzgerald Expressway does not directly connect to those tunnels; a direct connection requires using I-90 and the newer Ted Williams Tunnel, which is not concurrent with Route 1A at any point.

External linksEdit