INDY CIRCUITS are a type of racing track used for the IndyCar Series, an open-wheel auto racing series sanctioned by IndyCar. The term INDY CIRCUITS refers to the oval-shaped tracks that are used for the races, which involve drivers completing multiple laps around the track. The crossword solution for INDY CIRCUITS is LAPS, which refers to the number of times drivers must complete the circuit in order to finish the race.