WHAT IS I-4 ULTIMATE

The I-4 Ultimate Improvement Project is a planned makeover of Interstate 4 in Central Florida. The $2.3 billion construction project spans 21 miles, from west of Kirkman Road in Orlando to east of State Road 434 in Longwood.

The project officially got underway on Feb. 1, 2015, and is expected to be completed by 2021. Updates include widening I-4 to up to 10 lanes in some areas, including 4 express toll lanes.

FAST FACTS

Construction Limits:

  • 21 miles from west of Kirkman Road to east of SR-434
    • Area 4 – Altamonte: 6.4 miles
    • Area 3 – Ivanhoe: 4.9 miles
    • Area 2 – Downtown: 4.2 miles
    • Area 1 – Attractions: 5.7 miles

Design / Construction Cost:

  • $2.3 billion year-of-expenditure dollars

Project Improvements:

  • Reconstructs 15 major interchanges
  • Widens 13 bridges
  • Adds 53 new bridges
  • Replaces 74 bridges
  • Adds 4 dynamic tolled express lanes in the median
  • Completely rebuilds general use and auxiliary lanes along entire corridor
  • Increases posted speed to 55 mph

Construction Start:

  • February 2015

Estimated Completion:

  • Early 2021
PROJECT MAP