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Project Description

Financial Project # 258401
Project Length: 3.2 miles
Construction Cost: $182.8 million
Contractor: Kiewit Southern Co.
Start Date: February 2, 2004
Completed: December 14, 2007

About this Project
The Florida Department of Transportation (FDOT) has completed making capacity and safety improvements to Interstate 4 from west of 14th Street to 50th Street in Tampa, Florida. The project reconstructed a four-lane roadway into an eight-lane roadway (4 lanes in each direction) to tie into the Downtown Tampa Interchange improvement project, where construction completed in December 2006 (see "I-4/I-275 Interchange operational improvements" for more info).

The eight-lane section of I-4 is now located to the outside of the original roadway and the area where the original roadway was located is now a grassy median. The median area will be reserved for future construction of additional travel lanes and either high-occupancy vehicle lanes or rail. The access at 21st/22nd Streets remains similar as it was before construction began; however, a new auxiliary road enhances local circulation between the 14th/15th Street and 21st/22nd Street intersections. 19th Street was permanently closed under I-4 and interstate access at 40th Street was relocated to 50th Street after all ramps at 40th Street were closed (8/31/05). At 50th Street, Columbus Drive was permanently realigned to the south between 45th and 53rd Streets.

For a computer-enhanced view of before and after photos of the project, click here.

The project improvements also included primarily shoulder mounted eight-foot noise walls adjacent to densely developed residential areas, aesthetic design treatments that compliment the historic neighborhood, and relocation and rehabilitation of historic structures located within the proposed right-of-way.

Improvement highlights for this portion of the I-4 corridor included:

• Increased from a four-lane highway to an eight-lane highway.
  
• Provided for accommodation of high-speed rail, other rail transit, and/or additional lanes in the future.
  
• Improved and modified interchange ramps.
  
• Reconstructed bridges and improved height clearances.
  
• Increased median width.
  
• Created safer clear zones and recovery zones.
  
• Improved lighting.
  
• Improved drainage.

Lane Closure Hours were:
* Mainline I-4 and ramps: 11:30 p.m. to 5:30 a.m. Sunday through Thursday nights as needed.
* 21st Street/22nd Street at I-4 (daytime): 9:30 a.m. to 3:30 p.m. Monday through Thursday as needed.
* 21st Street/22nd Street at I-4 (nighttime): 6:30 p.m. to 6 a.m. Sunday through Wednesday nights as needed.
* 50th Street: 8 p.m. to 6 a.m.