Florida State Road 312

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State Road 312 marker

State Road 312
Route information
Maintained by FDOT
Length: 3.603 mi[1] (5.798 km)
Major junctions
West end: SR 207 near St. Augustine
East end: SR A1A / CR A1A in St. Augustine
Counties: St. Johns
Highway system
US 301 US 319

State Road 312 (SR 312) is a 3.6-mile-long (5.8 km) state highway serving St. Augustine, Florida in the United States. Its western terminus is at SR 207, and its eastern terminus is at SR A1A near St. Augustine Beach.

Route description[edit]

State Road 312 begins at the intersection between SR 207 and SR 312, where SR 207 continues northeast into central St. Augustine. About 0.4 mile east of the western terminus, SR 312 passes over the Florida East Coast Railway main line via an overpass. A mile from the western terminus, SR 312 intersects US 1, with SR 312 continuing a few blocks east through St. Augustine until a crossing with the Intracoastal Waterway. At the waterway, SR 312 enters St. Augustine city limits, where it terminates at SR A1A.

Major intersections[edit]

The entire route is in St. Johns County.

Location mi[1] km Destinations Notes
0.000 0.000 SR 207 to I-95 Western terminus
0.801 1.289 Old Moultrie Road (CR 5A)
1.009 1.624 US 1 (Ponce de Leon Boulevard / SR 5) – St. Augustine, Bunnell
St. Augustine 1.556–
Bridge over Matanzas River (Atlantic Intracoastal Waterway)
3.603 5.798 SR A1A – St. Augustine Beach, St. Augustine Amphitheatre Eastern signed terminus
3.836 6.173 East end of state maintenance
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine., accessed March 2014