Main Street businesses resumed normal operations around 5 p.m. when pedestrians were allowed back on Main Street.
The road remained closed to vehicle traffic between Swede Alley and Heber Avenue until 8:30 p.m. Tuesday.
City officials said a private contractor, the Toro Blanco Group, hit a natural gas line while installing wireless infrastructure on Main at Fourth Street around noon.
Park City Police and Park City Fire District officials evacuated businesses, residents and tourists on Main Street, Swede Alley and Park Avenue – south of Heber Avenue.
The city said it had no involvement in the construction project and Enbridge Gas would lead repair efforts.
A spokesperson for the Toro Blanco Group could not be reached for comment Tuesday afternoon.
No injuries were reported.
