Thunderbolt

Thunderbolt, previously known as Pippin, is a wooden roller coaster located at Kennywood amusement park near Pittsburgh in West Mifflin, Pennsylvania. It was originally built and designed by John A. Miller and opened in 1924. It was later renovated for the 1968 season, which involved a major track expansion designed by Andy Vettel. It reopened to the public as Thunderbolt.

Source: Wikipedia