TRANSPORTATION

The Florida Department of Transportation (FDOT) began a roadway improvement project on October 8, 2023, along SR 5/US 1/Overseas Highway, in Monroe County.

Construction activities are temporarily suspended due to Hurricane Milton.

WORK TO BE PERFORMED

SR 5/US 1/Overseas Highway from MM 19.4 to MM 19.8, MM 20.6 to MM 23.1:

• Repaving and restriping the roadway SR 5/US 1/Overseas Highway and the Florida Keys Overseas Heritage Trail
• Raising the roadway  
• Improving the guardrail
• Upgrading signage and pavement markings
• Widening the roadway shoulders in some areas  
• Improving drainage at isolated locations
• Trimming the mangroves encroaching the roadway

SR 5/US 1/Overseas Highway from MM 26.2 to MM 27.4:

• Repaving and restriping the roadway SR 5/US 1/Overseas Highway and the Florida Keys Overseas Heritage Trail
• Raising the roadway
• Reconstructing the shared use path
• Improving the guardrails
• Upgrading all vehicular signage and pavement markings
• Enhancing pedestrian signage
• Installing special emphasis crosswalk markings at the trail crossings
• Adjusting manholes

LANE CLOSURE INFORMATION

• No daytime lane closures or detours at this time. However, there are currently three areas with lane shifts.
• The dedicated southbound left turn lanes at Colson Drive and Sawyer Drive are temporarily closed (near Mile Marker 21.4, just past Blimp Road). Southbound traffic is shifted into the center turning lane, and a single travel lane in each direction remains open. 
• Southbound traffic shifts into the center of the road at approximately MM 22.6, and a single travel lane in each direction remains open. During this lane shift near MM 22.6, additional access to businesses located between Cutthroat Drive and Pirates Road will be available via La Fitte Drive. This alternative route is marked with directional signage to use Cutthroat Drive to La Fitte Drive.
• From the north end of Niles Channel Bridge, approximately MM 26.2, to Munson Avenue at MM 27, there is a lane shift and width reduction to accommodate the temporary Florida Keys Overseas Heritage Trail detour in this area. 
• Additional travel lanes may be closed only during non-peak hours on non-event days. Non-peak hours are: 9:30 p.m. to 5 a.m., Sunday through Thursday nights.