McMahon Associates, along with subconsultants KMJ Consulting and Gilmore & Associates, was selected by the City of Philadelphia Department of Streets to provide a comprehensive study of the existing traffic signals on 21 corridors, including over 600 intersections, and to provide engineering services for the retiming of these traffic signals.  The effort aims to reduce congestion by improving the flow of traffic through the optimization of the traffic signals along the selected corridors. 

As the prime consultant on the project, McMahon Associates will perform and lead the before and after travel time studies, traffic volume data collection, and capacity analysis for retiming of signals and will prepare work orders for the City to use in implementing the timing changes.   

      McMahon Associates’ mid-Atlantic offices are located in Fort Washington (corporate headquarters), Exton, Camp Hill, and Pittsburgh, PA; Yardville, NJ; and Bowie, MD, and combined currently employ nearly 100 of the company’s 120 full-time employees.  It also has two offices in Florida and two in New England.  McMahon’s primary services include transportation planning/traffic studies, traffic signal design and permitting, highway design and permitting, structural design, intelligent transportation systems, geographic information systems/custom software development, land survey, dam design, water resources, and construction services for public and private clients.