I don't know how many realize who owns the tracks the are racing on.
The France Family owns International Speedway Corp.
ISC tracks
Track Name Location Length Seating Year Opened Year Acquired[A]
Auto Club Speedway Fontana, CA 2.0 miles (3.2 km) 68,000 1997 1999
Chicagoland Speedway Joliet, IL 1.5 miles (2.4 km) 47,000[9] 2001 2007
Darlington Raceway Darlington, SC 1.366 miles (2.198 km) 47,000[9] 1950 1982
Daytona International Speedway Daytona Beach, FL 2.5 miles (4.0 km) 101,000 1959 1959
Homestead-Miami Speedway Homestead, FL 1.5 miles (2.4 km) 46,000 1995 1999
Kansas Speedway Kansas City, KS 48,000[9] 2001 2001
Martinsville Speedway Ridgeway, VA .526 miles (0.847 km) 44,000[9] 1947 2004
Michigan International Speedway Brooklyn, MI 2.0 miles (3.2 km) 56,000[9] 1968 1999
Phoenix Raceway Avondale, AZ 1.0 mile (1.6 km) 42,000[9] 1964 1997
Richmond Raceway Richmond, VA .75 miles (1.21 km) 51,000[9] 1946 1999
Route 66 Raceway Joliet, IL .25 miles (0.40 km) dragstrip 30,000 1998 2007
Talladega Superspeedway Talladega, AL 2.66 miles (4.28 km) 78,000 1969 1969
Watkins Glen International Watkins Glen, NY 2.45 miles (3.94 km) road course 38,900 1948 1997
Then you have Speedway Motorsports Corp. Which owns these tracks. Majority owned by Bruton Smith.
Facilities owned
Track Location Facility acreage Main layout* Seating capacity Year opened Acquired date Major series
Atlanta Motor Speedway Hampton, GA 820 1.54 miles (2.48 km) quad-oval 71,000 1960 1990 NASCAR
Bristol Motor Speedway Bristol, TN 670 0.533 miles (0.858 km) oval 160,000 1961 1996 NASCAR, NHRA
Charlotte Motor Speedway Concord, NC 1,310 1.5 miles (2.4 km) quad-oval 94,000 1960 1975 NASCAR, NHRA, WoO
Kentucky Speedway Sparta, KY 820 1.5 miles (2.4 km) tri-oval 107,000 2000 May 22, 2008 NASCAR
Las Vegas Motor Speedway Las Vegas, NV 1,030 1.5 miles (2.4 km) D shaped-oval 80,000 1996 1999 NASCAR, NHRA, WoO
New Hampshire Motor Speedway Loudon, NH 1,180 1.058 miles (1.703 km) oval 88,000 1990 November 2, 2007 NASCAR
North Wilkesboro Speedway North Wilkesboro, NC 0.625 miles (1.006 km) oval 40,000 1947 N/A
Sonoma Raceway Sonoma, CA 1,600 1.99 miles (3.20 km) road course 47,000 1968 1996 NASCAR, NHRA
Texas Motor Speedway Fort Worth, TX 1,490 1.5 miles (2.4 km) quad-oval 181,655 1996 1995 (Built) NASCAR, IndyCar
*Some facilities include multiple layouts and multiple tracks including road courses, dirt ovals and dragways
Now follow the money and and you don't have to wonder why NASCAR is returning to the track that they are.
Mike