 Other fees may apply, such as for phone dispatches, airports, tolls, interstate travel, and declared snow emergencies.According to an April 2011 study conducted by the "Chicago Dispatcher", Washington, D.C. cabs have one of the lowest standard fares in the country, charging an estimated $11.50 for a distance of five miles with five minutes wait time (compared to an estimated $14.61 in Fairfax County, Virginia and $20.40 in San Diego, California).Arlington County, as part of Washington Metropolitan Area, saw the first carbon negative, all-hybrid taxi fleet.