PHILADELPHIA, PA — We’re steadily making the climb! Traffic Planning and Design, Inc. (TPD) is pleased to announce we have been ranked the #20 firm on the 2015 Philadelphia Business Journal’s Top 25 Engineering Firms list based on 2014 fiscal year gross billings. TPD first made PBJ’s list in 2000 and is proud to have been consistently ranked over the years, jumping up three spots from last year. Since 1989, TPD has provided top notch transportation engineering services for public and private sector clients across the Greater Philadelphia area and beyond.

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