Since 1976, McMahon Associates, Inc. has specialized in delivering innovative engineering, planning, design and transportation 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 for transportation projects from planning, to design and permitting, through construction. With more than 200 dedicated professionals in 15 offices throughout the East Coast, McMahon has the talent, ability and expertise to address any transportation assignment.

Traffic Engineering Transportation Planning Safety Studies Land Survey Highway and Intersection Design Signal Design Bridge Design and Inspection Water Resources Dam Design ITS Survey Data Collection GIS & Custom Software Development Managed IT Services GIS & Custom Software Development Technology Consulting Parking Optimization Community Transportation Intermodal Facility Planning Bus Infrastructure Planning & Design Community Involvement & Public Participation Transportation Demand Management Shared Mobility ADA Accessibility Audits & Design Walking & Biking Architecture Firm/Engineering Firm Engineering Services Civil Engineering Architectural Engineering Services Business Services