Ada County Highway District is now accepting applications for the exempt position of Congestion Management Supervisor in the Congestion Management Department.  Starting wage is $91,936 - $105,664 per year, DOQ.    ACHD offers an excellent benefit package which includes medical, vision and dental insurance, paid vacation and holidays and membership in the Public Employee Retirement System of Idaho (PERSI).   Primary Responsibilities: Supervises the activities and staff of the Congestion Management section of the Traffic Operations Department. Also supervises the operations of the Traffic Management Center (TMC).  Applies professional engineering knowledge and skills to traffic-related engineering projects. Prepares and manages the