National association serving TDM professionals and organizations working to improve the quality of life of commuters and sustainability of communities. THE ASSOCIATION'S PURPOSE IS TO INCREASE MOBILITY BY MAKING COMMUTING EASIER, MORE CONVENIENT AND LESS COSTLY. THEY DO THIS BY MANAGING DEMAND TO REDUCE CONGESTION, ENERGY CONSUMPTION AND AIR POLLUTION. SOME WAYS THAT THEY INFORM THE PUBLIC ARE THROUGH A LOCAL CONFERENCE, WORKSHOPS AND NEWSLETTERS.