The Alliance is San Mateo Countys Transportation Demand Management Agency whose mission is to reduce the number of single occupancy vehicles traveling in, to and through San Mateo County, reducing vehicle emissions resulting in improved air quality. The Alliance is funded by the City/County Association of Governments of San Mateo County, the San Mateo County Transportation Authority, the Bay Area Air Quality Management District and the Metropolitan Transportation Commission. A major strength of the ALLIANCE is its ability to deal with transportation issues through its extensive network of allies. Creating partnerships provides the power to relieve traffic congestion in San Mateo County.