  The "kidney bean" shaped oval | |
| Location | Hamilton Township, Mercer County, near Trenton, New Jersey |
|---|---|
| Owner | George A. Hamid Jr. |
| Opened | September 24, 1900 |
| Closed | June 29, 1980 |
| Former names | Trenton International Speedway |
| Major events | AAA/USAC/CART Championship Car Trenton 100/150/200/300 (1949, 1957–1979) NASCAR Grand National/Winston Cup Northern 300 (1958–1959, 1967–1972) |
| Half-mile oval (1900–1941) | |
| Surface | Dirt |
| Length | 0.5 miles (.81 km) |
| Mile oval (1946–1968) | |
| Surface | Dirt (1946–57) Asphalt (1957–69) |
| Length | 1 miles (1.6 km) |
| Dog-leg oval "Kidney Bean" (1969–1980) | |
| Surface | Asphalt |
| Length | 1.5 miles (2.41 km) |
| Banking | Turns 1 & 2: 10° Dogleg: 4° Turns 3 & 4: 15° |
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.