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I-4 Beyond the Ultimate: Building a Better I-4

Construction on the Florida Department of Transportation’s I-4 Beyond the Ultimate is underway south of downtown Orlando, and several projects north of Orlando have already been completed.

Work on the Interstate 4 (I-4) and County Road (C.R.) 532 interchange near ChampionsGate began in summer of 2021, with the construction of an innovative new diverging diamond interchange (DDI) to improve traffic flow through the area. The new traffic pattern is expected to begin in July. In addition, bike lanes and sidewalks along C.R. 532 will improve cyclist and pedestrian connectivity and safety.

Several new capacity improvements are underway, including:

  • A new auxiliary lane on westbound I-4 beginning at the entrance ramp from State Road (S.R.) 429 and ending as an exit-only lane onto C.R. 532.
  • A new auxiliary lane on eastbound I-4 beginning at the entrance ramp from C.R. 532 and ending as an exit-only lane onto S.R. 429.
  • Milling and resurfacing of S.R. 429 between I-4 and Sinclair Road.
  • A new auxiliary lane on northbound S.R. 429 to Sinclair Road.

In addition, new pavement will extend the life of the I-4 roadway in both directions from the Osceola/Polk County line to west of S.R. 417.

Projects scheduled to begin in the second half of 2022 include the reconstruction of the Daryl Carter Parkway overpass into a DDI with the construction of exit ramps from eastbound and westbound I-4 and an entrance ramp to eastbound I-4. The Sand Lake Road interchange will also be reconfigured as a DDI starting in 2023, with additional capacity improvements to ease congestion at Turkey Lake Road. These two interchange projects will include the construction of two segments of a new buffer-delineated managed lane on I-4, with the third and final segment coming as part of a future project.

The reconstruction of the E.E. Williamson Road overpass and construction of a new eastbound Interstate 4 (I-4) auxiliary lane from the east end of the I-4 Ultimate Project to Lake Mary Boulevard, which began in summer 2019, has been completed. Milling and resurfacing work on the westbound I-4 travel lanes in Seminole County started in June 2020 and is now complete.

In addition, milling and resurfacing work on the eastbound I-4 travel lanes in Seminole County was completed in summer 2020.

Motorists should practice safe driving habits, such as paying attention to the road and their surroundings in the work zone. Sign up for personalized text or email alerts for advanced notification of construction impacts.

Sign up for the project’s newsletter to learn about construction updates and project news, including future diverging diamond interchanges at Sand Lake Road (S.R. 482) and Daryl Carter Parkway.