[cowboyhar69]

I couldn't remember either so I found this info...looks like it was paved in 1972.



Track: Defunct - 1/2 mile dirt oval, 4/27/68 - 5/6/72 and 1/2 mile paved oval, from 5/20/72 - 1987
Track Location: Located at 9267 Cincinnati-Dayton Rd., West Chester, Ohio, the track property was later occupied by the Napier Truck Training School, and subsequently leveled in 2009 to make way for retail development.
Tri-County Speedway - aka. Queen City Speedway

Sanctions: The Tri-County/Queen City Speedway has hosted the following Sanctioning organizations - United States Auto Club (USAC) National Midgets, United States Auto Club (USAC) National Sprint Cars, Automobile Racing Club of America (ARCA), American Speed Association (ASA), World Wide Auto Racing (WWAR), National Association of Stock Car Auto Racing (NASCAR), International Motor Contest Association, American Midget Racing Association, Great American Truck Racing, Stock Car Connection.
Brief History: Opening on April 27, 1968 as the Tri County Speedway, a half mile dirt oval in the Old West Chester area of Butler County, the track hosted numerous USAC Sprint, Stock Car, Midget, as well as IMCA, ARCA events in its early years. Weekly divisions included Late Models, Hobby Stocks & Sports Sedans. The Track and some adjacent land was purchased by Dudley Farrell in 1972, where the track was paved and renamed Queen City Speeway. USAC contuinued running Sprint on the 1/2 mile pavement, and also groups like the ASA Stock Cars, ARCA Stock Cars, IMCA & WWAR Midgets.
Track Specifications (paved track 1972): Length: 2,640 feet (measured 15 ft. inside the outside guardrail); Width: 60 feet; Banking: 17 1/2 deg. in the turns, 3 deg. on the straightaways; Straightaway Length: 534.6 feet; Racing surface: Asphalt; Pit Surface: Asphalt; Double guardrails in the turns (3 ft. high), 5 ft. high steel reinforced concrete wall on the straightaways; Lighting: 1500 watt quartz. Seating Capacity: 8,000.