Arlington County, Virginia addition to receiving the lowest proportion of Arlington's vote for a Democratic or Republican candidate in the past century. Arlington is part of Virginia's 8th congressional district, represented by Democrat Don Beyer. The United States Postal Service designates zip codes starting with "222" for exclusive use in Arlington County. However, federal institutions, like Ronald Reagan Washington National Airport and The Pentagon use Washington zip codes. Arlington has consistently had the lowest unemployment rate of any jurisdiction in Virginia. The unemployment rate in Arlington was 4.2% in August 2009. 60% of office space in the Rosslyn-Ballston corridor is leased to government
Construction of the Virginia approaches to Arlington Memorial Bridge Arlington County began budgeting for the construction of Lee Boulevard in November 1933. With no approach route actually having been chosen by both the state of Virginia and county of Arlington, study of all proposed routes continued. A joint CFA/NCPC study of the proposed approaches occurred on November 16, 1933. Three weeks later, the CFA recommended that bridges be built on both the north and south ends of Columbia Island, linking it with the mainland. The north bridge should link to Lee Boulevard, the commission said, and the south bridge should link to an approach from the south. By August