SL ENGINEERING

SL Engineering, LLC is led by Susan Langdon, PE, PTOE and is focused on providing high-quality traffic engineering operations and intelligent transportation solutions to clients. Ms. Langdon has been an industry leader in traffic signal operations and ITS applications providing innovative solutions to her clients for more than 30 years. She was one of the first to implement transit signal priority timing providing transit priority within a coordinated signal system in a highly complex urban environment. She further was one of the first engineers to bring Automated Traffic Signal Performance Measures approach to signal operations to the State of Texas and other agencies in the United States. Her decades of experience include traffic signal design and operations, signal systems timing and implementation, traffic systems modeling and simulation, transit priority applications, Automated Traffic Signal Performance Measures and Intelligent Transportation Systems applications. Her experience..

Also known as: SL Engineering, LLC

Primary location: Rockwall United States