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Since 1976, McMahon has specialized in delivering innovative transportation engineering, planning, design and technology solutions to our clients.  


We have built trusted and lasting relationships by satisfying, and often surpassing, the needs of both governmental and private sector clients. We provide services and consulting expertise for transportation projects in a variety of travel modes from planning, to design and permitting, through construction.


In May 2022, McMahon joined forces with Bowman Consulting Group Ltd, as an acquisition of the publicly-traded firm. Bowman is a trusted, multi-disciplinary engineering & survey consulting firm offering a broad range of real estate, energy, infrastructure, and environmental management solutions to both public and private clients from locations across the country.  From large commercial developments, to master planned communities, to local and state transportation projects, to name a few, Bowman delivers outstanding project results, builds long-lasting relationships, and leverages the growth of the organization to serve the constantly changing needs of its clients.



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