Frankfurt am Main airport is located 12 kilometers west of the Frankfurt city center. It can be reached via the A5 and A3 motorways as well as the regional trains and the tram lines S8 and S9. Frankfurt Airport is the largest airport in Germany and, in addition to the two major terminals, has a Lufthansa first-class terminal and the freight terminal with the highest cargo volume in Europe. Terminal 3 is currently under construction. Frankfurt Airport is already home to more than 230 shops and service providers, including 23 travel-value and duty-free shops.