Interstate 93

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Interstate 93 Main route of the Interstate Highway System
Length:	188.68 mi (303.65 km)
Formed:	1957
South end:	I-95 in Canton, MA
Major junctions:	I-90 in Boston, MA I-95 in Reading, MA I-495 in Andover, MA I-89 in Bow, NH
North end:	I-91 in St. Johnsbury, VT
Wikimedia Commons has media related to: Interstate 93

Interstate 93 (abbreviated I-93) is an interstate highway in the New England section of the United States. Its southern terminus is in Canton, Massachusetts, in the Boston metropolitan area, at Interstate 95 (map); its northern terminus is near St. Johnsbury, Vermont at Interstate 91.

[edit] Length

[edit] Major cities

Bolded cities are officially-designated control cities for signs.

• Quincy, Massachusetts
• Boston, Massachusetts
• Lawrence, Massachusetts
• Salem, New Hampshire
• Manchester, New Hampshire
• Concord, New Hampshire
• Plymouth, New Hampshire
• Littleton, New Hampshire
• St. Johnsbury, Vermont

[edit] Intersections with other interstates

• Interstate 95 in Canton, Massachusetts (map)
• Interstate 90 in Boston, Massachusetts (map)
• Interstate 95 in Woburn, Massachusetts (map)
• Interstate 495 in Andover, Massachusetts (map)
• Interstate 293 in Manchester, New Hampshire (map)
• Interstate 89 in Bow, New Hampshire
• Interstate 393 in Concord, New Hampshire
• Interstate 91 in St. Johnsbury, Vermont

[edit] Spur routes

• Manchester, New Hampshire - I-293 - The southernmost portion of this highway, between I-93 and the Everett Turnpike, was once known as Interstate 193.
• Concord, New Hampshire - I-393

	edit Auxiliary routes of Interstate 93
	Current and Future (F)	Former
	New Hampshire
	New Hampshire

[edit] Big Dig

Main article: Big Dig

Interstate 93 Tunnel

Interstate 93 is famous for being reconstructed by the Central Artery/Tunnel Project, more commonly known as the Big Dig. The Big Dig is the most massive urban construction project in American history^[4]. The project replaced the elevated central artery highway that ran through downtown Boston, cutting the city in two. As of October, 2006, the underground construction of the tunnel system is complete; however, repairs continue to many parts of the tunnel due to water leakage because of improper construction of the slurry walls.

See Big Dig and Massachusetts Turnpike for other details of the project.

[edit] Tolls

No tolls are collected on any part of the highway in Massachusetts, however there are tolls ($3.00 for passenger vehicles as of October, 2006) for vehicles accessing Route 93 from Logan International Airport via the Sumner Tunnel (Route 1A). In New Hampshire, there is one toll in Hooksett, New Hampshire, just south of the intersection of Interstate 89.

[edit] Exit list

Location	Exit	Mile	Destinations	Notes
begins at Route 128/I-95. It begins joined with US 1.
Norfolk County
Canton	1	0.00	Route 128/I-95 NORTH - Portsmouth, NH US 1 SOUTH	Southbound junction only.
		0.33	I-95 SOUTH - Providence, RI
	2	1.39	Route 138 - Stoughton, Milton
Milton	3	2.86	Ponkapoag Trail, Houghtons Pond
Randolph	4	3.50	Route 24 - Brockton, Fall River
	5	4.26	Route 28 - Randolph, Milton
Braintree	6	6.71	Route 37 - West Quincy, Braintree
	joins
	7	7.16	Route 3 SOUTH - Braintree, Cape Cod
Quincy	8	8.51	Furnace Brook Parkway - Quincy
Milton	9	9.33	Adams Street/Bryant Avenue - Milton, Quincy, West Quincy
	10	9.91	Squantum Street - Milton	Partial interchange: SB exit only, no entrance
	11	10.86	Granite Avenue TO Route 203 - Ashmont, East Milton	Partial interchange: No access from NB 93 to SB Granite Ave. or from SB Granite Ave to NB 93 or from NB Granite Ave to SB 93.
Suffolk County
Boston	12	12	Route 3A - Neponset, Quincy	Partial interchange: No NB exit
	13	13	Freeport Road - Dorchester	Partial interchange: NB exit only, no entrance
	14	13	Morrissey Boulevard - JFK Library	Partial interchange: NB exit/SB entrance only
	15	14	Columbia Road - Edward Everett Square, JFK Library
	16	15	Southampton Street - Andrew Square	Partial Interchange: NB exit/SB entrance only
	18	15	Melena Cass Boulevard/Massachusetts Avenue - Andrew Square, Roxbury
	20	16	I-90/Mass Turnpike - Logan Airport, Worcester, South Station, Chinatown	No access from 93 SB to 90 EB.
	23	17	Government Center (NB exit); Purchase Street - South Station (SB exit)
	24	18	Route 1A/Callahan Tunnel - Government Center, Airport	Partial interchange: SB exit/NB entrance only
	26	18	Route 3 NORTH, Storrow Drive, Route 28 - North Station
	leaves
	27	19	US 1 NORTH/Tobin Bridge	Partial interchange: NB exit/SB entrance only
	leaves
Middlesex County
Somerville	28	20	TO Route 99 - Sullivan Square, Somerville, Charlestown
	29	20	Route 28, Route 38 - Somerville, Everett	Partial interchange: NB exit/SB entrance only
Medford	30	21	Route 28, Route 38 - Mystic Avenue, Somerville	Partial interchange: SB exit/NB entrance only
	31	22	Route 16 - Mystic Valley Parkway, Arlington, Revere	Partial interchange: NB exit to 16 WB only SB exit to 16 EB only Entrance to 93 is from 16 EB only.
	32	22	Route 60 - Medford Square, Malden
	33	23	Route 28 - Fellsway West, Winchester
Stoneham	34	25	Route 28 NORTH - Stoneham, Melrose	Partial interchange: NB exit/SB entrance only
	35	26	Fallon Road - Winchester Highlands, Melrose	Partial interchange: SB exit/NB entrance only
Woburn	36	27	Montvale Avenue - Stoneham, Woburn
Reading	37AB	28	Interstate 95/Route 128 - Peabody, Waltham
Woburn	37C	29	Commerce Way, Atlantic Avenue
Wilmington	38	31	Route 129 - Reading, Wilmington
	39	33	Concord Street
	40	34	Route 62 - North Reading, Wilmington
	41	35	Route 125 - Andover, North Andover
Essex County
Andover	42	38	Dascomb Road - Tewksbury
	43	39	Route 133 - Andover, North Tewksbury
	44	40	I-495 - Lawrence, Lowell
	45	42	River Road - South Lawrence
Methuen	46	43	Route 110, Route 113 - Lawrence, Dracut
	47	45	Pelham Street - Methuen
	48	45	Route 213 (LOOP CONNECTOR) - Methuen, Haverhill
MA-NH state line
Rockingham County
Salem	1	1.76	Rockingham Park Boulevard TO NH Route 28, NH Route 38 - Salem
	2	3.00	Pelham Road TO NH Route 38, NH Route 97 - Salem, Pelham
Windham	3	5.78	NH Route 111 - Windham, North Salem
Londonderry	4	11.66	NH Route 102 - Derry, Londonderry
	5	15.24	NH Route 28 - North Londonderry
Hillsborough County
Manchester	joins
		19.43	NH Route 101 WEST/I-293 - Manchester Airport, Bedford, Manchester	Route 101 joins northbound and leaves southbound.
	6	20.60	Candia Road, Hanover Street
	7	21.31	NH Route 101 EAST - Portsmouth, Seacoast	Route 101 leaves northbound and joins southbound.
	leaves
	8	22.01	Wellington Road/Bridge Street TO
Merrimack County
Hooksett	9	23.86	US 3/NH Route 28 - Hooksett, Manchester
	10	25.65	NH Route 3A - Hooksett
	joins
		26.31	I-293 - Manchester, Nashua	Everett Turnpike continues south on I-293.
	11	28.66	Hackett Hill Road TO NH Route 3A - Hooksett
Bow		35.37	I-89 - Lebanon, White River Junction VT
Concord	12	36.04	NH Route 3A (South Main Street) - Bow Junction	TO
	13	37.21	US 3 (Manchester Street) - Downtown Concord
	14	38.34	NH Route 9 (Loudon Road) - State Offices
	designation ends
	joins
	15A	38.87	I-393/US 4/US 202 EAST - Loudon, Portsmouth	US 4 joins northbound and leaves southbound.
	15B	38.87	US 202 WEST TO US 3 (North Main Street)
	16	40.29	NH Route 132 - East Concord
	17	44.45	US 4 WEST TO US 3, NH Route 132 - Boscawen, Penacook	US 4 joins southbound and leaves northbound
	leaves
Canterbury	18	47.72	West Road TO NH Route 132 - Canterbury
Northfield	19	54.80	NH Route 132 - Northfield, Franklin	Northbound exit, southbound entrance.
Belknap County
Tilton	20	56.72	US 3/NH Route 11/NH Route 132/NH Route 140 - Laconia, Tilton
Sanbornton	22	60.97	NH Route 127 - Sanbornton, West Franklin
New Hampton	23	69.01	NH Route 104/NH Route 132 - New Hampton, Meredith
Grafton County
Ashland	24	75.06	- US 3/NH Route 25 - Ashland, Holderness
Holderness	25	79.75	NH Route 175A TO Holderness Road - Plymouth
Plymouth	26	80.64	US 3/NH Route 25/NH Route 3A - Plymouth, Rumney
Campton	27	83.50	Blair Bridge TO US 3 - West Campton
	28		NH Route 49 TO NH Route 175 - Campton, Waterville Valley, New Hampshire
Thornton, New Hampshire	29	88.29	US 3 - Thornton
Woodstock	30	94.78	US 3 - Woodstock, Thornton
	31	97.05	Tripoli Road TO NH Route 175
	32	100.20	NH Route 112 - Lincoln, North Woodstock
Lincoln	33	102.23	US 3 - North Woodstock, North Lincoln
	Begin Franconia Notch Parkway
	joins
	34A	104.16 105.23	US 3 South - Flume Gorge Park Information Center	No southbound entrance.
Franconia	34B	110.02	Cannon Mountain Tramway - Old Man Historic Site
	34C	110.82	NH Route 18 - Echo Lake Beach, Peabody Slopes, Cannon Mountain
	End Franconia Notch Parkway
	35	112.36	US 3 North - Twin Mountain, Lancaster	Northbound exit, southbound entrance.
	leaves
	36	112.91	NH Route 141 TO - South Franconia, Twin Mountain
	37	115.61	NH Route 18, NH Route 142 - Franconia, Bethlehem	Northbound exit, southbound entrance.
	38	116.39	NH Route 18/NH Route 116, NH Route 117 - Franconia, Sugar Hill	Also signed southbound as To
Bethlehem	39	118.95	NH Route 18/NH Route 116 - North Franconia, Sugar Hill	Southbound exit, northbound entrance.
	40	120.72	US 302, NH Route 18 - Bethlehem, Twin Mountain
Littleton	41	122.28	Cottage Street TO US 302/NH Route 18/NH Route 116 - Littleton, Whitefield
	42	124.26	US 302 TO NH Route 10 - Littleton, Woodsville
	43	125.88	NH Route 135 TO NH Route 18 - Littleton, Dalton
	44	130.07	NH Route 18/NH Route 135 - Monroe, Waterford VT
NH-VT state line
Caledonia County
Waterford	1	7.51	VT Route 18 TO US 2 - St. Johnsbury
		11.10	I-91 - St. Johnsbury, White River Junction	Northbound junction only.

[edit] Notes

• An 8 mile (13 km) section of I-93 through Franconia Notch State Park, called the Franconia Notch Parkway in New Hampshire, was constructed as a two-lane freeway with a median divider. This was built as a compromise between the state's park department and highway officials. The speed limit on the Parkway is 45 mph (70 km/h). Originally, this section's signage read "U.S. 3 TO I-93" in this area complete with its own exit number sequence, but this has since been replaced by I-93 and US-3 signage along the entire length of the Parkway. The exits were renumbered to Exit 34A, 34B, and 34C.
• In New Hampshire, between the northern end of I-293 in Hooksett and the beginning of I-89 in Bow, I-93 also carries the northern end of the Everett Turnpike. There is one toll booth along this section, at Exit 11 in Hooksett; toll for passenger cars is 75 cents (50 cents at the ramp toll booth).
• A section of the highway south of Boston, beginning south of the Savin Hill overpass and ending just before the junction with Route 3, utilizes a "zipper lane", in which a movable barrier carves out a high occupancy vehicle lane in the non-peak side of the highway during rush hour.
• Hazardous cargoes are now prohibited from I-93 tunnels in Boston.
• I-93's original southern terminus was in Cambridge (just north of Boston) where it was to meet Interstate 695. However, when that route was cancelled, and I-95 was cancelled and rerouted along Route 128 in the mid-1970s, I-93's route was extended an additional 18 miles down the Central Artery (which had been signed as a multiplex I-95/MA-3 before I-95 was rerouted) and the Southeast Expressway (what was then just Route 3) from Boston to Braintree and then west along former Route 128 to its intersection with I-95 in Canton.
• I-93's route from Boston to Canton has also carried the U.S. Route 1 designation since 1989. The US route's path was changed to assist truck traffic which was banned along much of the route's original path between Boston and I-95/Route 128 in Dedham.
• There are two major park and ride facilities off I-93, the Anderson Regional Transportation Center in Woburn, Massachusetts, at Exit 37C, and the Quincy Adams Red Line (MBTA) subway station, at Exit 7 in Quincy.
• The Big Dig tunnel through Boston has been officially named the Thomas "Tip" O'Neill Tunnel in honor of late Speaker of the House Tip O'Neill who helped pass the legislation that funded the Big Dig.
• In an attempt to alleviate rush-hour traffic jams, travel in the breakdown lane of I-93 is permitted on a small stretch between Exit 38 and Exit 47/48. This extra travel is permitted on the southbound side on weekdays between 6AM and 10AM, and on the northbound side between 3PM and 7PM. However, on most busy days this fails to prevent traffic delays. The Massachusetts State Police is displeased with this arrangement, citing that traffic in the breakdown lanes interferes with the ability of emergency vehicles to respond to accidents.

[edit] See also

• Zakim Bunker Hill Bridge
• Big Dig

[edit] References

1. ^ Executive Office of Transportation, Office of Transportation Planning - 2005 Road Inventory
2. ^ New Hampshire DOT Route Logs
3. ^ VTrans Traffic Log
4. ^ "Review Begins After Big Dig Tunnel Collapse", CNN.com, 2006-07-12. Retrieved on 2006-07-25.

[edit] External links

• I-93 Northern Expressway on Bostonroads.com
• MA 3 Pilgrim's Highway on Bostonroads.com

edit Main Interstate Highways (multiples of 5 in pink)
4	5	8	10	12	15	16	17	19	20	22	24	25	26	27	29	30
35	37	39	40	43	44	45	49	55	57	59	64	65	66	66 (W)		68
69	70	71	72	73	74	75	76 (W)		76 (E)		77	78	79	80	81	82
83	84 (W)		84 (E)		85	86 (W)		86 (E)		87	88 (W)		88 (E)		89	90
91	93	94	95	96	97	99	H-1		H-2		H-3
Unsigned			A-1		A-2		A-3		A-4		PRI-1		PRI-2		PRI-3
Lists		Main - Auxiliary - Suffixed - Business - Proposed - Unsigned Gaps - Intrastate - Interstate standards - Replaced

Browse numbered routes
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