I believe it is at the fire house on w. market st. Near the back gate of the fairgrounds Monday, Tuesday & Wednesday.
Usually also runs Thursday and Friday, with the "Flyernut Meeting" Thursday evening 7:30 pm. The notice in Events at Trains.com has this as all gauges, but it has favored S Gauge in the past. Reliance Fire Hall, 1341 W. Market St. , York