Interstate 190 (I-190) is a 19.26 miles (31.00 km) auxiliary Interstate Highway in the US state of Massachusetts, maintained by the Massachusetts Department of Transportation (MassDOT). Spanning approximately 19 miles (31 km) along a south–north axis, it is a spur route of I-90 (the Massachusetts Turnpike) in Central Massachusetts. However, its southern terminus exists at its split from I-290 in Worcester, which itself splits from the turnpike in Auburn. Its northern terminus lays at an interchange with Route 2 in Leominster.

Quick Facts Route information, Length ...

Interstate 190
I-190 highlighted in red
Route information
Auxiliary route of I-90
Maintained by MassDOT
Length	19.26 mi[1] (31.00 km)
Existed	1983–present
NHS	Entire route
Major junctions
South end	I-290 in Worcester
Major intersections	Route 12 in Worcester Route 140 in Sterling Route 117 in Lancaster
North end	Route 2 in Leominster
Location
Country	United States
State	Massachusetts
Counties	Worcester
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future Massachusetts State Highway System Interstate US State
← Route 189 → Route 192

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The southern terminus of I-190 is in Worcester. Near the former site of the Greendale Mall, there is an interchange with Route 12 before the highway passes along the eastern shore of Indian Lake and continues through the northern points of Worcester. In West Boylston, I-190 has a second interchange with Route 12 before turning northwest into Holden. The freeway later crosses the Quinapoxet River and then curves to the northeast reentering West Boylston. I-190 intersects Route 140 and then intersects Route 12 once more in Sterling. There is an exit for Route 117 in Lancaster. North of Johnny Appleseed State Park and Lancaster Town Forest, I-190 reaches its northern terminus at Route 2 and Mechanic Street in the city of Leominster.^[2]

A portion of the highway was built with extra-wide shoulders, which are painted green, to prevent runoff from contaminating the nearby Wachusett Reservoir.^[3]

All interchanges were to be renumbered to mileage-based numbers under a project scheduled to start in 2016.^[4] However, this project was postponed until November 18, 2019, when MassDOT confirmed that, beginning in late mid-2020, the exit renumbering project will begin.^[5] On March 12, 2021, MassDOT announced that the I-190 exit numbers will get renumbered for two days starting on March 21. The entire route is in Worcester County.

More information Location, mi ...

Location	mi[6]	km	Old exit	New exit[7]	Destinations	Notes
Worcester	0.000	0.000			I-290 to I-395 south – Shrewsbury, Marlboro, Auburn, Norwich, CT	Exit 22 on I-290, southern terminus
	1.111	1.788	1	1	Route 12 (Gold Star Boulevard / West Boylston Street)
	2.346	3.776	2	2	(Frontage Road)  Ararat Street – Holden, Greendale
	3.542	5.700	3	3	West Mountain Street – Holden, Boylston	Southbound exit and northbound entrance
West Boylston	3.980	6.405	4	4	Route 12 – West Boylston	Exit connector enters Worcester before reaching Route 12
Sterling	9.272	14.922	5	9	Route 140 – West Boylston, Princeton	Southern portion of the exit is in W. Boylston
	14.123	22.729	6	14	Route 12 – Sterling, Clinton
Lancaster	16.894	27.188	7	17	Route 117 – Leominster, Lancaster	Exit is partially in Leominster
Leominster	19.261	30.998	8	19	Route 2 east / Mechanic Street – Boston, Leominster Route 2 west – Fitchburg	Signed as exits 19A (west) and 19B (east) northbound; exit 101 on Route 2
	19.4	31.2			Mechanic Street (Nashua Street) – Leominster	Northern terminus; exit combined with exit 19B southbound; exit 101 on Route 2; old exit 8
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access

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