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Metrolina Piedmont Triangle

I-40 The Triangle has distinguished itself as one of the "best places" in the country to live and work. Thousands of families and companies have moved here to take advantage of the area's excellent business climate and North Carolina's rich history, diverse culture and natural beauty. While this growth brings many benefits, the increasing number of automobiles on our highways threatens the Triangle's quality of life. North Carolina is struggling with what to do about increasing traffic congestion caused by the tremendous influx of citizens.

The I-40 High Occupancy Vehicle Congestion Management Study (I-40 HOV CMS), a project of the North Carolina Department of Transportation (NCDOT), will examine a variety of innovative transportation and congestion management techniques. There are many strategies that can improve the trip for I-40 travelers; these strategies become even more effective when they are combined and coordinated. Some of these strategies can ensure a faster and more reliable trip. Others can lessen the inevitable operational deterioration of our state's highway system. Thus, a multidimensional approach to congestion management will be required to achieve noticeable effects. The I-40 HOV CMS will evaluate and identify the most appropriate solution(s) for local needs and problems. Of course, the ultimate effectiveness of any of these alternatives depends on the willingness of travelers to change their habits and alter their expectations.

Goals & Objectives

Phase One - 2000/2001

  • Identify strategies that have the potential to improve the vehicle carrying capacity of I-40 in the Triangle Region.
  • Evaluate options, including high occupancy vehicle (HOV) lanes, toll lanes and express/truck lanes.

Phase Two - 2001/2002

  • Develop a Congestion Management Plan with specific projects and actions for adoption by North Carolina Department of Transportation, Durham Chapel Hill Carrboro Metropolitan Planning Organization, Capital Area Metropolitan Planning Organization, and Triangle Transit Authority.
  • In-depth evaluation of HOV including forecasts using the financially constrained HOV facilities, demand-driven implementation phasing, traffic analysis, and functional design.

Reports and Publications

I-40 Congestion Management Study

Hybrid Report

This report illustrates a potential hybrid configuration that combines the most effective parts of each of the original configurations. The original configurations were studied in detail; however, a full technical analysis of this hybrid configuration has not been undertaken. The purpose of developing this hybrid was to provide a potentially optimal configuration to take forward into more detailed analysis through the NEPA process.

For More Information

Questions on the I-40 HOV lanes should be directed to:

Gail Grimes , P.E.
I-40 HOV Project Manager
Project Development & Environmental Analysis Branch
1548 Mail Service Center
Raleigh, North Carolina 27699-1548
Telephone: (919) 733-3141
Fax: (919) 733-9794
Email: ggrimes@dot.state.nc.us
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