< Back Share Sep 1 J & J Demolition Derby Visit Website Save Map for Directions J & J Demolition Derby302 N. 17th St. Allentown, Pennsylvania 18104 United StatesDetailsOpen in Google Maps The Great Allentown Fair 302 N. 17th St. Allentown, Pennsylvania 18104 Overview Demolition Derby at The Great Allentown Fair on September 1st!