Massachusetts Route 1A

Route 1A

Route information

Length:

94.26 mi^[1] (151.70 km)

Existed:

by 1927 – present

Major junctions

South end:

U.S. Route 1A in Pawtucket, RI

I-95 in Attleboro
 U.S. Route 1 in Attleboro

U.S. Route 1 in North Attleborough
Boston-Providence Tpk. in Dedham

I-93/US 1/Rt. 3 in Boston
Mass Pike I-90/Mass Pike in Boston
Route 128 in Beverly
U.S. Route 1 in Newburyport

North end:

Route 1A in Seabrook, NH

Highway system

Massachusetts State Highway Routes

← US 1

Route 2 →

Route 1A is a south–north 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.^[2]

1 Route description
2 Major interchanges
3 References
4 External links

Route description

Attleboro

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.

County	Location	Mile	Roads intersected	Notes
Bristol	Attleboro	0.00	U.S. Route 1A	Southern terminus of Route 1A, crosses into Rhode Island (as US-1A).
		0.4	Interstate 95	I-95 Exits 2A-B.
		1.7	Route 123	To U.S. Route 1 South, via Route 123 West.
		1.8	U.S. Route 1 North	Northern terminus of Route 1A (Attleboro segment). No access to US-1 South from Route 1A; use Route 123.

North Attleborough to Dedham

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.

County	Location	Mile	Roads intersected	Notes
Bristol	North Attleborough	7.1	U.S. Route 1	Southern terminus of Route 1A (N. Attleborough-Dedham segment).
Norfolk	Plainville	8.0	Route 106	Western terminus of Route 106.
	Wrentham	10.6	Interstate 495	I-495 Exit 15.
		11.4	Route 121	Eastern terminus of Route 121.
		12.8	Route 140
	Norfolk	15.1	Route 115
	Walpole	19.7	Route 27	To US-1/I-95, via Route 27 South.
	Dedham	27.1	Providence Highway (formerly U.S. Route 1)	Northern terminus of Route 1A (N. Attleborough-Dedham segment). To I-95/Route 128/US-1.

Boston to Salisbury

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, no toll) and Sumner Tunnel (inbound/southbound, toll), 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.

County	Location	Mile	Roads intersected	Notes
Suffolk	Boston	47.7	Interstate 93 U.S. Route 1 Route 3	Southern terminus of Route 1A (Boston-Salisbury segment). I-93 (Central Artery) Exit 24 (partial interchange). No access to Route 1A from I-93 North; no access to I-93 South from Route 1A. For these connections, use Mass Pike/I-90.
	Boston	49.4	Mass Pike/I-90	Eastern terminus of I-90. No access from I-90 to Route 1A South. To Logan International Airport.
	East Boston	49.7	Route 145	Southern terminus of Route 145; interchange.
	Revere	50.0	Route 145	Partial interchange; northbound exit, southbound entrance only.
	Revere	52.1	Route 16 Route 60	Eastern terminus of Route 16. Eastern terminus of Route 60.
Essex	Lynn	58.3	Route 129
	Salem	61.8	Route 114 East	Southern terminus of Route 1A/114 concurrency.
		62.8	Route 114 West	Northern terminus of Route 1A/114 concurrency.
		63.4	Route 107	Northern terminus of Route 107.
	Beverly	64.6	Route 22 Route 127	Southern terminus of Route 22. Southern terminus of Route 127.
		65.5	Route 62
		66.9	Route 97	Southern terminus of Route 97.
		67.1	Route 128	Route 128 Exits 20A-B.
	Ipswich	75.1	Route 133 East	Southern terminus of Route 1A/133 concurrency.
	Rowley	79.1	Route 133 West	Northern terminus of Route 1A/133 concurrency. To U.S. Route 1.
	Newburyport	87.7	Route 113	Eastern terminus of Route 113.
	Newburyport	88.1	U.S. Route 1 South	Southern terminus of US-1/Route 1A concurrency.
	Salisbury	90.1	U.S. Route 1 North Route 110	Northern terminus of US-1/Route 1A concurrency. Eastern terminus of Route 110.
	Salisbury	94.26	NH Route 1A	Northern terminus of Route 1A; crosses into New Hampshire (as NH-1A).

Major interchanges

Attleboro segment

Interstate 95 at Exit 2A-B (Attleboro)

North Attleborough to Dedham segment

Interstate 495 at Exit 15 (Wrentham)

(Note: Although it crosses Interstate 95 again just before its terminus, it does not have any direct exit on the route; signage for Exit 15 indicates it can be reached from there.)

Boston to Salisbury segment

Interstate 93/U.S. 1/Route 3 (Boston)
Interstate 90/Massachusetts Turnpike (Boston)
Route 16 (Revere)
Route 128 (Beverly)
U.S. 1 (Newburyport and Salisbury)

References

^ Executive Office of Transportation, Office of Transportation Planning - 2007 Road Inventory
^ 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 links

Road transportation infrastructure of Boston

Interstate Highways	Massachusetts Turnpike (I-90) I-93 I-95

U.S. Routes	US 1 US 3 US 20

State Routes	Route 1A Route 2 Route 2A Route 3 Route 9 Route 28 Route 30 Route 99 Route 128 Route 145 Route 203

Parkways	Arborway Blue Hills Parkway Day Boulevard Fenway Jamaicaway Memorial Drive Morrissey Boulevard Morton Street Park Drive Riverway Stony Brook Reservation Parkways Soldiers Field Road Storrow Drive Truman Parkway VFW Parkway West Roxbury Parkway

Major streets	Beacon Street Bennington Street Boylston Street Commonwealth Avenue Dorchester Avenue Huntington Avenue Massachusetts Avenue Newbury Street State Street Tremont Street Washington Street

Bridges	Anderson Memorial Bridge Boston University Bridge Bowker Overpass Charlestown Bridge Eliot Bridge Harvard Bridge Leverett Circle Connector Bridge Longfellow Bridge North Beacon Street Bridge Tobin Bridge Leonard P. Zakim Bunker Hill Memorial Bridge

Tunnels	Callahan Tunnel Dewey Square Tunnel Sumner Tunnel Thomas P. O'Neill Jr. Tunnel Ted Williams Tunnel

Expressways	East Boston Expressway John F. Fitzgerald Expressway (Central Artery) Northeast Expressway Northern Expressway Northwest Expressway Southeast Expressway Southwest Expressway (Southwest Corridor) Western Expressway

See also	Big Dig Boston Post Road Braintree Split Emerald Necklace Inner belt List of crossings of the Charles River List of numbered routes in Massachusetts South Bay Interchange Streets in Boston, Massachusetts