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Southbound I-275 shifted to new lanes -- what drivers need to know

3/30/2015 3:30:00 PM - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

Tampa, FL -- Southbound I-275 was shifted to a new alignment beginning in downtown Tampa on March 28.

Drivers are now using three of four new lanes on southbound I-275 from the Hillsborough River (near downtown/Ashley Drive) to west of West Shore Boulevard.

Here are the key points for drivers using this new alignment of southbound I-275:

1) All exit and entrance ramps are now on the right side (enter to and exit from the right lane).

2) Four new exit points are in close succession:

  • Exit 41B to Himes Avenue; then

  • Exit 41A to Dale Mabry Highway; then

  • Exit 40B to Lois Avenue; then
  • Exit 40A to West Shore Boulevard.
  • 3) The southbound I-275 exit ramp to West Shore Boulevard (Exit 40A) has been reopened to traffic.

    Two Exit Number Changes on Southbound I-275

    3/30/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    Tampa, FL -- With the March 28, 2015 traffic switch, two southbound I-275 exits have been renumbered:

    1. Southbound I-275 exit to Himes Avenue is now Exit 41B (formerly 41C).

    2. Southbound I-275 exit Dale Mabry Highway is now Exit 41A (formerly 41A-B).

    Night lane closures on Howard and Armenia avenues at I-275

    3/27/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    Tampa, FL -- Two lanes may be closed on both Howard and Armenia avenues under I-275 from 7:00 p.m. to 6:00 a.m. Sunday through Thursday (March 29 - April 2) nights.

    Dale Mabry Highway to be closed at I-275 two nights

    3/27/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    Tampa, FL -- Northbound Dale Mabry Highway will be closed at I-275 from 10:00 p.m. Wednesday (April 1) to 5:30 a.m. Thursday (April 2). Southbound Dale Mabry will be closed at I-275 from 10:00 p.m. Thursday (April 2) to 5:30 a.m. Friday (April 3).

    DETOUR: Traffic will be directed around the closed area using Himes Avenue, Columbus Drive and Cypress Street.

    Night lane closures on I-275 from Memorial Highway to downtown

    3/27/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    Tampa, FL -- One to two lanes may be closed in various locations in each direction of I-275 from Memorial Highway (SR 60, Exit 39) to Ashley Drive (Exit 44) from 10:00 p.m. to 5:30 a.m. Sunday through Thursday (March 29 - April 2) nights.

    Southbound I-275 Exit Ramp to West Shore Boulevard to reopen this weekend

    3/25/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    TAMPA -- The southbound I-275 exit ramp (Exit 40A) to West Shore Boulevard closed for reconstruction on January 8, 2015. The ramp is expected to reopen to traffic the weekend of March 27, 2015.

    The signed detour route is to use Exit 41A/B to Lois Avenue/Cypress Street, turn right at the bottom of the ramp and go west on Cypress Street to West Shore Boulevard.

    Detour Map

    Lane closures and detours on Green Street between Rome and MacDill avenues

    3/19/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    Tampa, FL -- There will be lane closures and detours on Green Street between Rome Avenue and MacDill Avenue through March and April. Traffic patterns may change from day-to-day depending on the construction activities. Access will be maintained on a block-by-block basis for local residents. Through-traffic is advised to use Main Street or Cypress Street between Armenia and MacDill avenues.

    Lois Avenue entrance to southbound I-275 closed for extended period

    3/6/2015 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    TAMPA -- The entrance ramp onto southbound I-275 from Lois Avenue is closed for construction work in that area (closure began January 7, 2014). The ramp is estimated to reopen in late 2015.

    DETOUR GOING TO HOWARD FRANKLAND BRIDGE: Go west on Cypress Street, turn left after crossing under State Road 60/Memorial Highway (west of O'Brien Street) and use that entrance ramp to southbound I-275 towards St. Petersburg.

    DETOUR GOING TO WESTBOUND SR 60/MEMORIAL HIGHWAY: Go west on Cypress Street, turn right onto O'Brien Street and go north to Spruce Street, then turn left onto Spruce Street and go west to the ramps to westbound State Road 60/Veterans Expressway or Tampa International Airport.

    Lois Avenue entrance to northbound I-275 closed for extended period

    9/19/2013 - I-275 Widening from east of SR 60 to downtown Tampa (Hillsborough River)

    TAMPA -- The entrance ramp onto northbound I-275 from Lois Avenue closed April 9, 2013. It is estimated to remain closed until spring 2016.

    DETOUR: Go east on Cypress Street, turn left onto northbound Dale Mabry Highway and use that road's entrance ramp to northbound I-275.

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