Twin Ring Motegi is an automobile racing track located in Motegi, Japan. Its name comes from the fact that there are two race tracks at the facility: a 1.549 mile oval (2.493 kilometers) and a 4.8 kilometer (2.983 miles) road course. It was built in 1997 by Honda, as part of Honda's effort to bring IndyCar racing to Japan, as well as increase their own knowledge of that form of racing.