Lawrence Diffley

Lawrence Diffley is a seasoned professional in the field of transportation and civil engineering, currently serving as Principal at Van Cleef Engineering Associates since September 2009. Diffley has held leadership positions, including President of the American Society of Highway Engineers from 2010 to 2011. Prior experience includes roles as Senior Project Manager for Highways at Schoor DePalma, Transportation Engineer at Philip Habib & Associates, and Traffic Engineer at John Collins Engineers. Diffley holds a Master of Science in Transportation Planning and Engineering from New York University - Polytechnic School of Engineering and a Bachelor of Science in Civil Engineering from Manhattan University.