The Philadelphia Museum of Art and other businesses and institutions on the parkway will remain open through the day.
Organizers recommend using public transit options to get to and from the event.
From 9 a.m. to 4 p.m., SEPTA bus routes on the parkway will be detoured. Specific route changes are available at septa.org.
The most convenient drop-off location for attendees with mobility issues is expected to be the intersection of near Pennsylvania Avenue and Spring Garden Street.