While developers plan an extensive system of permanent high-occupancy vehicle (HOV) lanes for the Dallas-Fort Worth urbanized area, the Texas Department of Transportation (TxDOT) and Dallas Area Rapid Transit (DART) have pursued and continue to pursue short-term or interim HOV lane projects that would enhance public transportation and overall mobility. There are currently 48.2 miles of interim HOV lanes operational in the Dallas area, including a barrier-separated contraflow HOV lane on East R.L. Thornton Freeway (IH-30), buffer-separated concurrent flow HOV lanes on Stemmons Freeway (IH-35E North) and Lyndon B. Johnson Freeway (IH-635), and a barrier-separated reversible flow HOV lane on South R.L. Thornton (IH-35E South) connected to a buffer-separated concurrent flow HOV lane on Marvin D. Love (US-67). The objective of this research is to investigate the operational effectiveness of the Dallas area HOV lanes. Issues such as person movement, carpool formation, travel time savings, violation rates, safety, and project cost effectiveness are addressed. By understanding the operational performance and issues of both buffer-separated (concurrent flow) HOV lanes and barrier-separated (movable barrier contraflow or fixed barrier reversible flow) HOV lanes, recommendations can be made on suggested HOV lane implementation guidelines for the Dallas area.


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    Evaluation of Dallas Area HOV Lanes, Year 2001

    D. A. Skowronek / S. E. Ranft / A. S. Cothron | NTIS | 2002


    Evaluation of Dallas Area HOV Lanes, Year 2000

    D. A. Skowronek / S. E. Ranft / A. S. Cothron | NTIS | 2002


    Development of Interim HOV Lanes in Dallas, Texas

    Skowronek, D. A. / Institute of Transportation Engineers | British Library Conference Proceedings | 1996


    Implementation of Dedicated ETTM Toll Lanes Dallas North Tollway

    Griffin, J. W. / Wuestefeld, K. N. / IVHS America | British Library Conference Proceedings | 1992


    Application of Traffic Thermostat for I-30 Managed Lanes in Dallas, Texas

    Wood, Nicholas S. / Burris, Mark / Geiselbrecht, Tina S. et al. | Transportation Research Record | 2017