The Atrium at Rock Spring Park is a three story office building built in 1970 with approximately 236,448 rentable square feet. The Atrium at Rock Spring Park is located on Rockledge Drive that leads directly into Rock Spring Park. I-270 and I-495 are easily accessible via Democracy Boulevard. Old Georgetown Road (Route 187) and Rockville Pike (Route 355) also provide access to I-270, I-495 and access to the commercial centers of Rockville to the north and Bethesda to the south. East and West access to the park is provided by Tuckerman Lane, Democracy and Bradley Boulevards.