Arlington County Police Department Police arrested people for violating Virginia's segregation laws. In 1963, the agency assumed its present name. In September 2001, the Arlington County P.D. responded to the Pentagon after terrorists attacked it during the September 11 attacks, as the building is located in the county. Since the establishment of the Arlington County Police Department, 7 officers have died in the line of duty, the most recent in 2016 as a result of an illness caused by the September 11 attacks of 2001. The Chief of Police as of August 2017 is M. Jay Farr. He was appointed by the County Manager
Construction of the Virginia approaches to Arlington Memorial Bridge of Virginia abandoned its plans and agreed to begin work on the northern route for Lee Boulevard. For nearly a year, state and county officials had disagreed whether the northern route rights-of-way were adequate to begin construction. The state disagreed, but Arlington County officials did not wish to spend more money in the depths of the Great Depression to acquire more rights-of-way. By actively reconsidering the southern route, however, the state of Virginia put pressure on Arlington County to fix the rights-of-way problems with the northern route. Agreement to begin construction on the northern route finally was reached on August