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McPherson Consulting is a certified small, women-owned business drawing on over 30 years of hands-on traffic engineering, transportation planning, project management, analysis, and delivery experience. The firm provides a broad range of traffic engineering and transportation planning services including signal timing, signal design, traffic analysis, comprehensive signal system design, transportation planning studies, and interchange justification reports. McPherson Consulting combines extensive local and national experience to provide our clients with comprehensive solutions.

Karen McPherson, P.E.


Karen has over 30 years of experience in transportation planning and traffic engineering.  Having spent her entire career in Hampton Roads, Karen has worked directly with every major city in the area, VDOT, the Virginia Port Authority, numerous private developers, and NAVFAC MIDLANT.  Karen is a technical expert in traffic signal timing and operations analysis.


In opening McPherson Consulting, Karen seeks to offer expert traffic engineering and transportation planning services while fulfilling any SWaM or SBA requirements.


Karen's experience and existing relationships combined with her attention to detail and customer-focused approach provides her clients with high quality work and personal service at a value.



  • Master of Science, Business Administration Studies Old Dominion University

  • Bachelor of Science, Civil Engineering,Virginia Polytechnic Institute and State University



  • Professional Engineer in Virginia

  • VDOT Basic Work Zone Traffic Control Training


Professional organizations

  • Institute of Transportation Engineers (ITE)

  • Virginia Section of Institute of Transportation Engineers (VASITE)

  • Society of American Military Engineers (SAME)

  • Women in Defense (WID)


“We're a small and growing consulting firm. We have the experience and expertise of the larger firms but we offer unmatched customer service and personal attention.  We look forward to meeting you and your team, helping you to define your goals, and developing solutions.  Contact us and let's get started." 

Karen McPherson, P.E.

President and Owner

McPherson Consulting

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