Westerly Parkway will be closed to traffic between South Sparks Street and O’Bryan Lane from 6 a.m. to 6 p.m. Sunday to accommodate the Lion Country Grand Prix, the State College Police Department said.

A detour route will be posted. The course stretches from the State College Area High School North building to the South Building on Westerly Parkway. Participant and spectator parking will be permitted at the high school.