FORT MYERS, FL (June 2009) – Johnson Engineering Principal, Andrew Tilton, P.E., has recently been asked to serve as FDOT District 1 representative on the Florida Greenbook Advisory Committee. This assignment is to aid in the development of the Manual of Uniform Minimum Standards for Design, Construction, and Maintenance for Streets and Highways. Andy will serve as the non-governmental representative for the District 1 committee. Tilton has been with Johnson Engineering for more than 30 years and has been involved with water management in Southwest Florida throughout this time.