Original sentence: Foyt, and Mario Andretti.It first opened in 1939, and went on to host Indy Car races from 1949 to 1959.Many notable drivers have raced Williams Grove Speedway throughout its history, including, A.The track is still in operation today.Williams Grove Speedway is a race track located in Williams Grove park near Mechanicsburg PA
Edited sentence: It is widley regarded as one of the premier dirt tracks in the United States.Williams Grove Speedway is a popular dirt race track near Mechanicsburg PA