Interstate 370

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Interstate 370 Auxiliary route of the Interstate Highway System
Length:	3.13 mi[1] (5.04 km)
Formed:	1990s
West end:	Sam Eig Highway & Washingtonian Boulevard in Gaithersburg
Major junctions:	Interstate 270 in Gaithersburg Maryland Route 355 near Rockville
East end:	Shady Grove Metro Station
Highways in Maryland < MD 368 MD 370 > State highways - Minor - Former - Turnpikes

I-370 from top-left to center-right

Interstate 370 (abbreviated I-370) is a 3.13 mile Interstate highway spur route off Interstate 270 in Gaithersburg, Maryland to a park and ride lot at the Shady Grove station on the Red Line of the Washington Metro. Despite the number x70, I-370 does not connect to I-70 itself.

[edit] Route description

The route is a four-lane freeway that begins at the eastern terminus of the Sam Eig Highway, at its intersection with Washingtonian Blvd. The route continues east and intersects I-270 almost immediately. Beyond I-270 the road continues east and interchanges with Maryland Route 355 before curving sharply south to the station.

The I-370 designation officially ends outside the station environs, but the physical roadway runs in a full loop through the station parking lot. I-370 officially opened in August, 1989; between its completion and official opening, commuters used the highway as an overflow parking lot.

[edit] Future

This article contains information about a planned or expected future road. It may contain information of a speculative nature and the content may change as the road's construction or completion approaches and more information becomes available.

As of 2008, Maryland Route 200, also known as the Intercounty Connector, is currently under construction. When completed, it will run from I-370 east to Interstate 95 and U.S. Route 1 in Laurel.

[edit] Exit list

County	Location	Mile	Destinations	Notes
Montgomery	Gaithersburg	0.0	Sam Eig Highway west - to MD 119 / Great Seneca Highway	begins at eastern end of Sam Eig Highway
		0.4	I-270 / Eisenhower Memorial Highway - Frederick, Washington D.C.
		1.8	MD 355 / Frederick Rd. - Rockville	former route of
			MD 200 East / Intercounty Connector - Laurel	Interchange projected to open in 2010
			Shady Grove Rd. - to Midcounty Highway	last exit before metro station
		3.1	Shady Grove Metro Station - Washington Metro	roadway loops through station area

[edit] Related routes

• Maryland Route 200

[edit] References

v • d • e Auxiliary routes of Interstate 70 Colorado: 270 • 470 (former) — Kansas: 470 • 670 — Missouri: 170 • 270 • 470 • 670 — Illinois: 270 — Ohio: 270 • 470 • 670 — West Virginia: 470 — Maryland: 170 (former) • 270 • 370