Seminole County
Approximately 5 miles of the 21-mile I-4 Ultimate project is in Seminole County. From the east, the project begins at the E.E. Williamson Road overpass. Westbound I-4 motorists coming from Lake Mary, Heathrow and Sanford will have the option of entering the Express Lanes near this overpass.
See how I-4 Ultimate is transforming S.R. 434, S.R. 436 and Central Pkwy.

Posted: December 3, 2021
I-4 Entrance and Exit Ramps at S.R. 434 Interchange Closing Nightly December 3 – 11

Posted: May 14, 2021
Multiple Ramps at State Road 436 Interchange Closing Overnight Friday and Sunday

Posted: April 6, 2021
Eastbound I-4 Closing Between Maitland Boulevard and State Road 436 Early Morning April 7

Posted: January 28, 2021
Eastbound I-4 Entrance and Exit Ramps at State Road 436 and State Road 434 Closing for Multiple Nights

Posted: January 12, 2021
New Configurations in Place at State Road 436 and Colonial Drive Interchanges

Posted: December 17, 2020
WB I-4 Traffic Pacing Operation Scheduled between E.E. Williamson Road and Maitland Boulevard
Construction Alerts for
Seminole County
Continuous closure on EB I-4 at Rest Area near SR-434.Beginning Tue., Feb 18, 2020 at 6 AMRest Area will be reconfigured to Truck-Only Parking Area.More Information