Trenton Speedway
| The "kidney bean" shaped oval (1969–1980) | |
| Location | Hamilton Township, Mercer County, near Trenton, New Jersey | 
|---|---|
| Coordinates | 40°14′20.5″N 74°43′01.5″W / 40.239028°N 74.717083°W | 
| Owner | George A. Hamid Jr. | 
| Opened | September 24, 1900 | 
| Closed | June 29, 1980 | 
| Former names | Trenton International Speedway | 
| Major events | CART Trenton 150 (1946, 1949, 1957–1979) NASCAR Winston Cup Northern 300 (1958–1959, 1967–1972) | 
| Dog-leg oval "Kidney Bean" (1969–1980) | |
| Surface | Asphalt | 
| Length | 1.500 miles (2.41 km) | 
| Turns | 5 | 
| Banking | Turns 1–2: 10° Dogleg: 4° Turns 3–4: 15° | 
| Mile oval (1946–1968) | |
| Surface | Asphalt (1957–1968) Dirt (1946–1957) | 
| Length | 1.000 miles (1.609 km) | 
| Half-mile oval (1900–1941) | |
| Surface | Dirt | 
| Length | 0.500 miles (0.805 km) | 
Trenton Speedway was a racing facility located near Trenton, New Jersey at the New Jersey State Fairgrounds. Races for the United States' premier open-wheel and full-bodied racing series of the times were held at Trenton Speedway.