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Medical District Drive-Partnering, Challenges and Lessons Learned

The Medical District Drive project improves traffic and pedestrian access to Dallas’ Medical District area by expanding the section of the roadway between Southwestern Medical Avenue and IH 35E in Dallas. The federally funded, Complete Streets expansion entails six through lanes, turning lanes, bike lanes and 6’-8’ wide sidewalks. Other improvements include eliminating the sub-standard vertical clearance by phase-constructing the steel thru-plate girder Trinity Railway Express (TRE) Bridges (complex structures) and alleviating flooding in the area. This street serves as the main entrance to the newly renovated Children’s Medical Center of Dallas and provides a conduit for both vehicular and pedestrian traffic. Pedestrian traffic to the area is generated from the new DART Light Rail Station east of Harry Hines at the current TRE commuter rail station, which is located north of the TRE Bridge over Medical District Drive. The project improves traffic and pedestrian access to the area by expanding the section of the roadway between Southwestern Medical Avenue and IH 35E. Financing for the project included Federal STP-MM funds and Federal Congressional Demo funds administered by TxDOT, Dallas County and City of Dallas. The City of Dallas designated Dallas County as a project lead and this Dallas County project included many stakeholders including FHWA, TxDOT, North Texas Council of Government, City of Dallas, Dallas Water Utilities, Trinity Railway Express, Dallas Area Rapid Transit, Herzog, Southwestern Medical District, Texas Trees Foundation, Children’s Medical Center, UT Southwestern Medical Center, Parkland, Trinity Strand Trail, Oncor, ATMOS, AT&T, Time Warner/Spectrum and the contractor, Structural Assurance LLC.

Jacobs Engineering Group Inc (Jacobs) provided engineering services for preliminary and final design for the Medical District Drive expansion from Southwestern Medical Avenue to IH 35E in Dallas, Texas. Jacobs performed traffic counts, traffic volume projections to include proposed developments, signal warrant analysis, capacity and level of service analysis, intersection analysis, designed and phased the active TRE bridge, signing, pavement markings, traffic signal and Illumination design, Americans with Disabilities (ADA) and Texas Accessibility Standards (TAS) review, and provided synchro output for traffic signal timing for preliminary and final design. Jacobs also provided a project savings of $1.2M to the client by presenting an alternative to providing a temporary rail shoofly and bridge to TRE.



Carlos Negron PE
Project Manager
Jacobs Engineering Group Inc.

Tushar Solanki PE
Assistant Director
Transporation and Planning Division
Dallas County Public Works


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