Mr. Ketcham is an innovative transportation planner with expertise in all transportation related fields: traffic, transit, air quality and noise impact analyses; truck routing, parking plans, pedestrian flow, and associated socio-economic analyses. With more than 30 years of professional experience, he has performed dozens of complex traffic and mobile source air quality studies, managed environmental assessments of large scale transportation projects (highways, shopping centers, residential developments, hospitals) and prepared several extensive truck route plans. As a New York City official in the early 70s, he authored the nation's first comprehensive transportation control plan to meet federal air quality standards, incorporating pioneering strategies that have come to be known as transportation systems management programs. He continues to help formulate regional transportation policy as an active member of several advisory committees. He is also a nationally recognized researcher on full cost accounting of transportation systems.