Congestion Management System (ISTEA) (CMS)
Congestion Management System (ISTEA) (CMS) : A systematic process required under ISTEA to provide information on transportation system performance and identify alternative strategies to alleviate congestion and enhance mobility of persons and goods; process must be developed in Transportation Management Areas (TMAs) and in use by October 1, 1997; the use of CMS in non-TMAs is left to the discretion of state and local officials