Highway planning and operations for the Dallas district : implementation and evaluation of concurrent flow HOV lanes in Texas

Skowronek, D. A.; Stoddard, A. M.; Ranft, S. E.; Walters, C. H.; Texas Transportation Institute

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Highway planning and operations for the Dallas district : implementation and evaluation of concurrent flow HOV lanes in Texas

1997-11-01
By Skowronek, D. A. ; Stoddard, A. M. ; Ranft, S. E. ; ...

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Creators:

Skowronek, D. A. ; Stoddard, A. M. ; Ranft, S. E. ; Walters, C. H.

Skowronek, D. A. ; Stoddard, A. M. ; Ranft, S. E. ; Walters, C. H. Less -
Corporate Creators:

Texas Transportation Institute
Subject/TRT Terms:

[+]

Barrier-separ Benefits Concurrent Flow Concurrent Flow HOV Lanes Concurrent Flow Lanes Contraflow Lanes Data Collection Evaluation High Occupancy Vehicle Lanes Highway Operations Highway Planning HOV Lanes Implementation Operations Research Regional Planning Reserved Lanes Texas Transportation Planning
Publication/ Report Number:

TX-98/1994-13
Resource Type:

Research Paper
Geographical Coverage:

Dallas (Texas)
Edition:

Research: Sep 1996-Aug 1997
Corporate Publisher:

Texas. Department of Transportation
Abstract:

Limited capital investment for major transportation improvements and growth in metropolitan areas require the most efficient use of the existing transportation system. One means to achieve this is high-occupancy vehicle (HOV) lanes. While an extensive system of permanent HOV lanes is planned for the Dallas-Fort Worth urbanized area, the Texas Department of Transportation (TxDOT) and Dallas Area Rapid Transit (DART) have pursued and continued to pursue short-term or interim HOV lane projects that would enhance public transportation and overall mobility. There are currently 57km (35.4 mi) of interim HOV lanes operational in the Dallas area, including a barrier-separated contraflow lane on I-30 (East R.L. Thornton Freeway) and buffer-separated concurrent flow HOV lanes on I-35E North (Stemmons Freeway) and I-635 (Lyndon B. Johnson Freeway). The objective of this research is to investigate the operational effectiveness of the new concurrent flow HOV lanes in the Dallas area, as well as to assess the effectiveness of the concurrent flow (buffer-separated) versus contraflow (barrier-separated) HOV lanes. Issues such as person movement, carpool formation, travel time savings, violation rates, and project cost effectiveness are addressed. By understanding the operational performance and issues of both concurrent flow (buffer-sparated) HOV lanes and contraflow (barrier-separated) HOV lanes, recommendations can be made on suggested HOV lane policies, including the type of permanent HOV lanes to be implemented in the Dallas area.
Format:

PDF
Funding:

Study No. 7-1994
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:521098c56ac4e38bf4aca1e47453b386117d6185859b61977d1d45dcd07a98b4
Download URL:

https://rosap.ntl.bts.gov/view/dot/15596/dot_15596_DS1.pdf
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Highway planning and operations for the Dallas district : implementation and evaluation of concurrent flow HOV lanes in Texas

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