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
Streets and highways of Arlington County, Virginia (4th Cir.), cert. denied, 409 U.S. 1000 (1972). The impasse was eventually broken when the parties agreed on experts to conduct air quality and noise studies for the Virginia Department of Transportation, then known as the Virginia Department of Highways; then, Secretary of Transportation Coleman personally intervened in 1976 with negotiations to reach a compromise by reducing the highway capacity, making I-66 HOV during parts of the day, and including a subway route in I-66's median. The eastbound traffic lanes of I-66 in Arlington are presently restricted to high-occupancy vehicle (HOV) traffic and motorcycles during morning peak hours, while the