April 16, 2009
Increasing Efficiency at I-4 Interchanges
What is Going On At the Maitland Interchange?
Weekly I-4 Lane Closures
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Weekly I-4 Lane Closures
Five maintenance projects will close some Interstate 4 lanes over the next week. Drivers are advised to stay alert for traffic shifts in the affected areas during the scheduled maintenance times.

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Increasing Efficiency at I-4 Interchanges

A Single Point Urban Interchange (SPUI) is a streamlined way to deal with traffic converging at two major highways and is gaining popularity as a means to improve traffic flow at some of the nation’s busiest intersections. The Florida Department of Transportation (FDOT) plans to add several as part of the Ultimate I-4 project.

SPUIs connect two major roadways and direct traffic by a single set of synchronized traffic lights. The result is a safer and more efficient interchange that can be built in a smaller area. SPUIs help alleviate congestion by decreasing traffic backups that block the interchange.

As part of the Ultimate I-4 project, FDOT plans SPUIs at these locations:

• I-4 and State Road 436 Interchange

• Maitland Boulevard at Lake Destiny Drive

• Maitland Boulevard at Keller Road

• I-4 and State Road 50 (Colonial Drive) Interchange

For more information on the SPUI planned for the I-4 and S.R. 436 interchange, visit

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Jim Martin
I-4 Public Information Office

Media Contact:
Derek Hudson
I-4 Public Information Office
321-287-6591 (After Hours)
© 2009 Florida Department of Transportation •
Trans4mation is the I-4 Public Information Office for the Florida Department of Transportation, District 5 • 1-888-454-4884 • 2180 West State Road 434, Suite 1150, Longwood, FL 32779