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IH 635 Managed Lanes – LBJ Express Dallas

Dallas and Farmers Branch, US

  • $
    2.7
    B

    Total Investment

  • 13
    mi

    Length

  • 9.3
    M

    CY of earthwork

  • 575000
    tons

    Of asphalt paving

The LBJ Express project will rebuild IH 635, one of the busiest and most congested highways in North Texas.

The LBJ Express project will rebuild IH 635, one of the busiest and most congested highways in North Texas. The project features a combination of four general use lanes and two to three continuous frontage roads in each direction, along with 13 miles of three managed toll lanes in each direction that will use dynamic pricing to keep traffic moving above 50 mph. The managed lanes will feature about 5 miles of new depressed roadway. When complete, the LBJ Express will reduce travel delays, provide mobility choices, improve safety, and help reduce the carbon footprint associated with idling traffic.

Scope Features:

  • 9.3 million CY of earthwork
  • 575,000 tons of asphalt paving
  • 3.4 million SF of retaining walls
  • Over 90 bridges.
  • Design-build construction
  • Very high traffic volumes (Over 270,000 vehicles per day)
  • Safety concerns with existing conditions
  • Maintenance of traffic during construction
  • Accelerated schedule to deliver project

The goal of this project is to relieve congestion on 13 miles of IH 635 (LBJ) and IH 35E. The design-build joint venture is responsible for the design and construction of the project under a lump-sum, fixed-price contract with LBJ Mobility Partners. The contractual design-build period is 60 months. Project has been split into three sections and each of the sections has a different Segment Construction Manager, with specific supervisory staff allocated to each section.

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