Tysons Corner's West Park area has the TyTran (Tysons Transportation Association) public transportation depot.
See the website below for the fares, schedules, linkages and other details needed to get around the area by this means.
Tysons Corner has no rail station right in town. The closest Metro-Rail stations are in West Falls at eastern end of Dulles Access Road (VA 267); Dunn Loring west of Gallows Road (VA 650); Vienna west of Nutley Street (VA 243). These stations are on the Orange Line.
From those stations it is a short cab ride or bus ride to Tysons corner.
See the MAPS AND STATIONS options on the website below.