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
Construction of the Virginia approaches to Arlington Memorial Bridge early 1931, Arlington Memorial Bridge was nearing completion, but citizens of Arlington County had no way of using the bridge as no approaches had been approved by the state or county in the preceding five years. Arlington County itself took no action on any bridge approaches until January 1931, when it began tentatively surveying potential routes. In February 1931, citizens of Clarendon, Ft. Myer Heights, and Lyon Village — unincorporated communities north and northwest of Arlington National Cemetery — met with the Arlington County Board of Supervisors and a Commonwealth's Attorney from the state of Virginia to identify a route