Interstate 205

Interstate 205 Auxiliary route of the Interstate Highway System in California
(CS&HC Section 505)
Length:	13.40 mi[1] (21.57 km)
West end:	I-580 near Tracy, CA
East end:	I-5 near Tracy, CA
California State Routes < SR 204 SR 206 > Unconstructed - Deleted - Freeway - Scenic

Interstate 205 (abbreviated I-205) is a 13-mile (22-km) interstate highway in California between Interstate 580 and Interstate 5 south of the town of Lathrop. There are two principal urban areas along the small stretch of interstate: Tracy and the new town of Mountain House.

Route description

Interstate 205 is the main route between the San Francisco Bay Area and the Stockton/Modesto/Manteca areas of the Northern San Joaquin Valley. It begins at its interchange with I-580 east of the Altamont Pass at the Alameda-San Joaquin county line. I-205 then travels east, south of Mountain House, to Tracy. After becoming the only freeway through Tracy, it then terminates at Interstate 5 south of the town of Lathrop

Most of the stretch of Interstate 205 parallels the Historic U.S. Highway 50, which is now designated as Business Loop 205. Business Loop 205 is only a couple miles shorter than its parent route, with its eastern terminus at Interstate 5. Although it is well-signed along the route, signs along 205 refer to its actual name: Eleventh Street. Interstate 205 is one of the few three-digit interstate routes that has a business loop.

Interstate 205 is frequently congested with many commuters traveling from the urban areas of the Bay Area with the exburbs in the San Joaquin Valley. It is six lanes wide between the junction of Interstate 580 and Business Loop 205 and is only four lanes wide between the junction of Business Loop 205 and Interstate 5. The four lane section is currently being widened to six lanes. Two other major construction projects are also underway on Interstate 205: the rebuilding of the interchange at Mountain House, and the addition of truck bypass lanes at the junction with Interstate 580.

State law

Legal Definition of Route 205: California Streets and Highways Code, Chapter 2, Article 3, Section 505

Route 205 is part of the Freeway and Expressway System, as stated by section 253.1 of the California State Highway Code.

Exit list

County	Location	Mile[1]	Exit #[2]	Destinations	Notes
Westbound traffic defaults onto I-580 west
Alameda		ALA 0.00		I-580 west – San Francisco	Westbound exit and eastbound entrance
San Joaquin	Mountain House	SJ 1.38	2	Mountain House Pkwy
	Tracy	SJ R3.37	4	BUS 205 east (11th Street) – Tracy	Eastbound exit and westbound entrance
		SJ R5.29	6	Grant Line Road
		SJ 5.94	7	Corral Hollow
		SJ R7.01	8	Tracy Blvd
		SJ R8.12	9	MacArthur Drive
		SJ 13.40		I-5 north – Stockton, Sacramento	Eastbound exit and westbound entrance
Eastbound traffic defaults onto I-5 north

References

External links

• Western Exit Guide - Interstate 205 California

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