Formula 1 has added a third American race to its annual roster, following the decision to introduce the Las Vega Grand Prix for an upcoming season.
Another American Grand Prix, set to take place in Miami, is due to have its debut race this year.
Stefano Domenicali, the F1 president, said: "This is an incredible moment for F1 that demonstrates the huge appeal and growth of our sport with a third race in the US.
