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The Williams Grove Historical Steam Engine Association hosts its annual car show and cruise-in on Aug. 30, 2026, at Williams Grove Farmers Flea Market in Mechanicsburg, Pa. The event is part of the organization’s 68th Annual Steam Show.
Registration is $15 per vehicle and includes a DJ, dash plaques for the first 100 registrants, trophies and door prizes. Admission to the broader steam show grounds is included with the car show registration fee, giving participants access to the flea market, multiple food vendors and train rides on site.
Participants may pre-register online at wghsea.org/car-show and pay upon arrival. Pre-registration is not required.
