 State Road 321 | ||||
|---|---|---|---|---|
| Route information | ||||
| Maintained by FDOT | ||||
| Length | 2.672 mi (4.300 km) | |||
| Existed | 2026–present | |||
| Major junctions | ||||
| South end |  SR 3 at Kennedy Space Center | |||
| North end |  SR 405 at Kennedy Space Center | |||
| Location | ||||
| Country | United States | |||
| State | Florida | |||
| Counties | Brevard | |||
| Highway system | ||||
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State Road 321 (SR 321), known locally as Space Commerce Way is a 2.7-mile (4.3 km) north–south road located entirely on Merritt Island Florida, providing access to the Exploration Park portion of Kennedy Space Center. Built in 2001 by NASA and the Florida Space Research Institute, the road was originally constructed with two lanes; it was widened to a four-lane divided highway in 2025, and received a designation as a state highway in January 2026. The route number 321 was chosen as a nod to the launch countdowns at KSC.
The road runs from SR 405 (NASA Causeway) at its north end to SR 3 (Kennedy Parkway) at its southern terminus. The road provides access to several space-oriented companies based in the Exploration Park facility, including Redwire, Blue Origin, and Airbus US Space & Defense. The main entrance to the Kennedy Space Center Visitor Complex is also located on Space Commerce Way.
