In developing the regional transportation plan, the commission shall consider:
(a) The plan recommended by the Bay Area Transportation Study Commission, with such modifications recommended by the Regional Transportation Planning Committee.
(b) The ecological, economic, and social impact of existing and future regional transportation systems upon various facets of the region, including, but not limited to, housing, employment, recreation, environment, land-use policies, and the economically disadvantaged.
(c) The regional plans prepared and adopted by organizations concerned with policies and programs designed to meet the near- and long-term planning needs of the region. Such consideration by the commission shall include, but not be limited to, plans prepared and adopted by the Association of Bay Area Governments, the San Francisco Bay Conservation and Development Commission, and the State Office of Planning.