This study has completed the Project Development & Environment (PD&E)  phase on February 11, 2025. The design phase is under way under the FPID 441942-2.

Announcement of Location and Design Concept Acceptance

On February 11, 2025, the Florida Department of Transportation (FDOT), pursuant to 23 U.S.C. § 327 and a Memorandum of Understanding dated May 26, 2022, and executed by the Federal Highway Administration and FDOT, granted Location and Design Concept Acceptance for the SR 31 PD&E Study from SR 80 (Palm Beach Boulevard to SR 78 (Bayshore Drive), Financial Management Number 441942-1-22-01 and Efficient Transportation Decision Making (ETDM) #14359. 

The proposed improvements consist of widening the existing two-lane undivided roadway to a six-lane divided roadway from SR 80 to SR 78, replacing the Wilson Pigott Bridge over the Caloosahatchee River with a high-span fixed bridge, and reconfiguring the existing SR 31/SR 80 intersection to a grade-separated intersection.