Specifications include, but are not limited to: Support the economic vitality of the metropolitan area, especially by enabling global competitiveness, productivity, and efficiency; Increase the safety of the transportation system for all motorized and nonmotorized users; Increase the ability of the transportation system to support homeland security and to safeguard the personal security of all motorized and nonmotorized users; Increase accessibility and mobility of people and freight; Protect and enhance the environment, promote energy conservation, improve quality of life, and promote consistency between transportation improvements and state and local planned growth and economic development patterns; Enhance the integration and connectivity of the system, across and between modes, for people and freight; Promote efficient system management and operation; and Emphasize the preservation of the existing system.