CLH Associates is respected for our ability to prepare accurate and reliable traffic impact studies and obtain permits and approvals, for reasonable costs. We have a proven track record of being able to handle even the most difficult transportation situations, tight deadlines, and adversarial relationships. Our Principals have prepared over 320 traffic impacts studies for commercial, residential, industrial, institutional and other types of development, in urban, suburban and rural conditions. Other services include transportation plans and studies, public involvement, PEL studies, active transportation planning, signal design and coordination, ITS/automated vehicle planning, capital improvement plans, and others.