Florida State Road 23

This article is about a Florida state highway numbered 23. For the U.S. Highway with the same number, see U.S. Route 23 in Florida.
For the former State Road 23 north from Gainesville, see Florida State Road 121.
"FL 23" redirects here. For the congressional district, see Florida's 23rd congressional district.

State Road 23
First Coast Expressway
Completed section of SR 23 highlighted in red
Route information
Maintained by Florida's Turnpike Enterprise
Length33.6 mi (54.1 km)
Major junctions
South end US 17 near Green Cove Springs
North end I-10 / US 90 in Jacksonville
Location
CountryUnited States
StateFlorida
CountiesClay, Duval
Highway system
← US 23→ SR 24

State Road 23 (SR 23), also known as the First Coast Expressway, and in part the Cecil Commerce Center Parkway, is a controlled-access toll road serving as an outer bypass around the southwest quadrant of Jacksonville, Florida. As of 2025, the first and second phases have been built, linking Interstate 10 (I-10) near Whitehouse with US 17 in the Green Cove Springs area.

The ultimate plan is for a 46.5-mile (74.8 km) four-lane controlled-access, electronically-tolled highway between I-10 and I-95. The total investment for the entire highway is estimated at $2 billion. Construction of the final section began in 2024 and is expected to be completed by 2032. It extends from near Green Cove Springs, crosses the St. Johns River, then continues east through fast-growing northern St. Johns County to a point approximately 3.5 miles (5.6 km) north of the World Golf Village interchange along I-95.

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