McMahon Associates, Inc.

Since 1976, McMahon Associates has specialized in delivering innovative engineering, planning, design, and technology transportation 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 for transportation projects from planning, to design and permitting, through construction.
With more than 150 dedicated professionals in 13 offices along the East Coast, McMahon has the talent, ability and expertise to address any transportation assignment.