Spring Hill

Approved: Initial approval September 2011

Developer: Georgelas Group

Location: Corner of Leesburg Pike and Spring Hill Road, near Spring Hill station.

Details: Georgelas has approval for 17 buildings totaling 6 million square feet. One of its partners, Greystar, is already building a 25-story, 400-unit apartment tower, called Ascent at Spring Hill Station.

Capital One

Approved: September 2012

Developer: Capital One Financial

Location: The Beltway and Route 123, near the McLean station.

Details: Capital One has approval to expand its 26-acre headquarters campus by adding 14 buildings with office, hotel, retail and residential, as well as a 30,000-square-foot community center. It is seeking an amendment to build a larger headquarters building.

Arbor Row

Approved: November 2012

Developer: Cityline Partners

Location: Along Westpark Drive and Tysons Boulevard.

Details: Cityline has approval for 2.6 million square feet in up to eight buildings of office, hotel and residential space. The Association for Manufacturing Technology will build a new 200,000-square-foot headquarters. Arbor Row also includes an eight-acre site for an elementary school and athletic fields.

Scotts Run South

Approved: April 2013

Developer: Cityline Partners

Location: Along Route 123 at Tysons East station.

Details: On more than 30 acres separated by Scotts Run Park, Cityline has approval for 17 buildings, including office, residential, retail and a hotel. Project will include five urban parks on 3.6 acres, and Cityline will build a turf athletic field and a fire station.

The Commons

Approved: June 2013

Developer: LCOR

Location: Off of Route 123, east of Tysons East station.

Details: LCOR’s project is almost all residential, with approval for up to 2,571 apartments in seven high-rise buildings, for a total of 2.6 million square feet. The project will also include nine acres of urban parks, including an athletic field.

Tysons West

Approved: September 2013

Developer: JBG Cos.

Location: Leesburg Pike near Tysons West station.

Details: JBG has opened a Wal-Mart and health club and has approval to add two residential buildings with a total of 700 apartments and a high-rise office building. JBG has agreed to provide the county with $350,000 for an arts plan and free office space to an arts agency.