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Project Details
Work Type interchange improvement
Phase Construction
Limits Northbound I-75 from I-4 to the Tampa Bypass Canal
Project Start September 12, 2016
Length 2 miles
City
County
Road
Construction Cost $18 million
Estimated Completion Summer 2018
Contractor Sema Construction, Inc.
About

The Florida Department of Transportation's contractor is reconstructing the entrance ramps from eastbound and westbound I-4 onto northbound I-75. The project will join the two ramps into one two-lane ramp that will be separated from the mainline travel lanes until merging into a single lane and entering I-75 on a new, long auxiliary lane.

This new entrance ramp alignment will eliminate one merge point onto I-75, increase the acceleration distance for vehicles merging onto northbound I-75, and increase safety in the interchange area. The improvements will extend north on I-75 to the Tampa Bypass Canal, which is over 1.5 miles north of I-4.

Traffic Flow
The construction phasing is designed so that all existing lanes of traffic will be open on I-75 during peak traffic hours.

Night Work
In order to maintain the construction schedule and to minimize the impact to the traveling public, lane closures are planned for nighttime hours.

Lane Closure Hours
9:00 p.m. to 6:00 a.m.

View Factsheet
Contact Information
Construction Manager
Tom Lay
813-975-3554
tom.lay@dot.state.fl.us
Media Contact
John McShaffrey, APR
813-975-6930
john.mcshaffrey@dot.state.fl.us
Lane Closures
  • I-75 northbound on-ramp interchange improvement from I-4 to south of Fowler Avenue
    Nightly northbound lane closures: Monday, July 16 through Thursday, July 19 from 9 p.m. to 6 a.m.

  • Sligh Avenue: under Interstate 75
    Daily lane closures with flagging operations: Monday, July 16 through Saturday, July 21 any time of the day                     

Project Images
Ramp to the right opened in March 2018 with an auxiliary lane to improve merging onto northbound I-75
Traffic entering from westbound I-4 now has long area to merge onto northbound I-75
Traffic on new ramp from WB I-4 to NB I-75 in March 2018
New westbound I-4 ramp to northbound I-75 opened in March 2018
New ramp to northbound I-75 close to opening - February 2018
Walls for new ramps are going up - March 2017
Widening for auxiliary entrance lane - March 2017
Looking southwest at I-75 and ramps over Sligh Ave. - January 2017
Setting panels for wall near Sligh Avenue - March 2017
Looking at construction along I-75 from over I-4 - February 2017
Looking northwest at ramp reconstruction - January 2017
Cutting concrete pavement north of I-4 - March 2017
Construction starting beside eastbound I-4 ramp onto northbound I-75 - December 2016
Early in construction in the northeast quadrant of I-4 & I-75 - November 2016
Driving pile for bridge foundation - March 2017
Bird's eye view of construction along the east side of I-75 - January 2017
Beginning of clearing at I-4 and I-75 interchange - Nov. 2016