Virginia State Route 110 Virginia State Route 110 State Route 110 (SR 110) is a primary state highway in the U.S. state of Virginia. Known as the Jefferson Davis Highway, the state highway runs from U.S. Route 1 (US 1) and Interstate 395 (I-395) in Crystal City north to I-66 in Rosslyn within Arlington County. SR 110 is a four- to six-lane freeway that parallels the Potomac River, providing a connection between several of Arlington's urban villages. The state highway also provides access to the Pentagon, which is the headquarters of the United States Department of Defense, the grounds of Arlington National Cemetery, and
Arlington County, Virginia completed in 2009. At the time of completion, the Turnberry Tower was tallest residential building in the Washington metropolitan area. In 2017, Nestle USA chose 1812 N Moore in Rosslyn as their US headquarters. In 2018, Amazon.com, Inc. announced that it would be splitting its "HQ2" second headquarters project between Arlington and Long Island City, New York. The Arlington HQ2 site is planned for the Crystal City neighborhood, anchoring a broader area of Arlington and the City of Alexandria that was simultaneously rebranded as National Landing. Arlington County is located in northeast Virginia and is surrounded by Fairfax County and