The Florida Department of Transportation (FDOT) is undertaking three significant interchange improvement projects along I-4 in Hillsborough County. These projects aim to enhance traffic flow, improve safety, and accommodate future growth in the area. Here’s a detailed look at each project:

I-4 Interchange Improvement Thonotosassa Road – Exit 19
Visit the project webpage here
- Scope of Work:
The SR 566 (Thonotosassa Road) interchange will be widened from two to four lanes between the ramps. The project includes adding a new northbound-to-eastbound right-turn lane onto I-4 and installing a traffic signal at the base of the westbound off-ramp where there is not one already. - Project Details:
- Length: 0.596 miles
- Start Date: September 11, 2024
- Estimated Completion: Early 2026
- Contractor: Watson Civil Construction, Inc.
- Benefits:
These improvements are expected to reduce congestion and provide safer and more efficient traffic operations at this busy interchange. - Contact Information:
- Project Manager: Maricelle Venegas, 813-975-6204, Maricelle.Venegas@dot.state.fl.us
- Media Contact: Kris Carson, 813-975-6060, Kristen.Carson@dot.state.fl.us

I-4 Interchange Improvement at Branch Forbes Road (Exit 17)
Visit the project webpage here
- Scope of Work:
The project will extend the northbound and southbound left-turn lanes on Branch Forbes Road approaching the interchange. New traffic signals will be installed at the eastbound and westbound off-ramps, and a right-turn lane will be added to the eastbound off-ramp. - Project Details:
- Length: 0.432 miles
- Start Date: September 11, 2024
- Estimated Completion: Early 2026
- Contractor: Watson Civil Construction, Inc.
- Benefits:
By addressing traffic queuing and enhancing signalization, this project will significantly improve the safety and functionality of the interchange. - Contact Information:
- Project Manager: Maricelle Venegas, 813-975-6204, Maricelle.Venegas@dot.state.fl.us
- Media Contact: Kris Carson, 813-975-6060, Kristen.Carson@dot.state.fl.us

I-4 Interchange Improvement at McIntosh Road (Exit 14)
Visit the project webpage here
- Scope of Work:
This project will widen McIntosh Road to add additional left-turn storage for access to both westbound and eastbound I-4. The westbound exit ramp will also be widened to improve traffic flow. - Project Details:
- Length: 1.187 miles
- Start Date: September 11, 2024
- Estimated Completion: Early 2026
- Contractor: Watson Civil Construction, Inc.
- Benefits:
Enhanced capacity and upgraded road infrastructure will contribute to smoother traffic movement and reduced delays at this interchange. - Contact Information:
- Project Manager: Maricelle Venegas, 813-975-6204, Maricelle.Venegas@dot.state.fl.us
- Media Contact: Kris Carson, 813-975-6060, Kristen.Carson@dot.state.fl.us
For all projects, no final budget was provided.





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