I-75/Collier Boulevard Interchange

To those who have wondered, “When is it going to be finished?” regarding the months-long reconstruction of the I-75/Collier Boulevard interchange, take heart. Plans call for the project to be completed by the end of summer.  

A “cloverleaf configuration” is being used instead of the previous“diamond” design.  

FDOT is rebuilding the southbound on-and off-ramp connectors and the northbound on-ramp connector at I-75’s Exit 101 to create additional space for a single-lane, 200-foot radius loop ramps. The northeast quadrant loop ramp will connect to and only be accessible by a single-lane fly over ramp from northbound Collier Boulevard (S.R. 951), starting south of the intersection with Davis Boulevard. 

That flyover ramp will carry traffic over Beck Boulevard and the I-75 southbound on-ramp. A single-lane flyover ramp extension will carry I-75 southbound traffic over Davis Boulevard to a new signalized intersection at Collier Boulevard and Business Circle North. This ramp will extend along the western side of Collier. 

Work on the $97 million project began in early 2023.  

FDOT officials say the project’s purpose is to improve operations and traffic flow at the interchange area, which includes the intersection of Collier Boulevard and Davis and Beck Boulevards. The end result will enable local commuter traffic to be separated from motorists heading south of Davis, such as people heading to and from Marco Island, and drivers who are coming or going from destinations off I-75 north of the interchange. 

This flyover design was selected based on traffic volume at the interchange to optimize traffic performance while enhancing safety.It’s a configuration that’s also been utilized at the Golden Gate Parkway interchange. The I-75 at Alico Road interchange and the I-75 at Terminal Access Road interchange, both in Lee County, utilize a partial cloverleaf design. 

FDOT asks motorists to please use caution and watch for workers and construction vehicles entering and leaving the roadway. For more information, please visit: https://www.swflroads.com/project/425843-2