IAD is referred to Dulles international airport and it is located at a distance of 26 miles from Washington D.C in Virginia. The way to IAD is easy and one can follow the access highway from I-495 to reach the destination. There is nonstop IAD transportation services offered from airport to 114 different locations including 37 international destinations. There are ground transportation services also available at Dulles airport which includes metro bus, Washington flyer coach service, taxicabs, super shuttle, rental cars, and many more options. Metro bus service operates between Washington D.C and Dulles airport. The fares of the bus is 3 $ and it runs every 60 minute from the airport. There are number of facilities available for different passengers for easy travel. The Washington flyer coach service is available at every half an hour at the level door 4 of the main building. This convenient option can be taken to reach the metro for just 7$ per person.  

The metro offers an express bus service between Washington D.C. and Dulles airport. It is one of the fastest modes available to travel between the two places. Super shuttle van service offer shared taxi services within the metropolitan area. It costs 22$ per person and offers quality service to their passengers. Rental cars on site include Alamo, budget, avis, dollar, hertz, and enterprise, thrifty and national. The taxicab serves exclusively as IAD transportation costing 50$ per head. For this service one need not to do an advance booking. One can get the taxi from the lower level of the main terminal. One can go for rental car option and can drive them self. The availability of large number of options for travelling has made the travel easier for the passengers.

One can visit the website of the IAD and can search for different ground transportation facilities and can book them accordingly. Metro rail services offer the fastest travel experience between the airport and Washington D.C. one can buy tickets or can use passes for regular use of the metro. You need not to waste time in heavy traffic; the metro offers the best and convenient option for fast and direct travelling without any stoppage.  Various facilities for old and disable citizens are available with metro rail. For more information regarding different IAD transportation systems and options one can search the net or can visit the website of the Dulles airport.