Vienna station, also known as Fairfax-GMU station, is a Washington Metro station in Fairfax County, Virginia. It is the western terminus of the Orange Line. The station is in the median of Interstate 66 at Nutley Street, also known as Virginia State Route 243, near Fairfax.
The station can be accessed from I-66 without merging onto Nutley Street by a series of ramps that transport commuters to the station's north and south side parking complexes. From the parking areas, riders use elevated walkways that bridge the east and westbound lanes of I-66 to reach the platform and mezzanine. The station provides easy access to the nearby Town of Vienna, the City of Fairfax, and the main campus of George Mason University. Service began on June 7, 1986.