Any moneys received by the state pursuant to a congestion mitigation and air quality grant under the Transportation Equity Act for the 21st Century shall be credited to the Special Transportation Fund, established pursuant to section 13b-68. Such moneys shall be expended as follows: (1) Not less than seventy per cent of the total amount of such moneys received by the state pursuant to said grant shall be expended on eligible projects in the severe nonattainment area to accomplish the mandates of the Clean Air Act. Such expenditures shall include, but not be limited to: (A) Providing technical information to affected employers participating in the traffic reduction program, (B) providing support and assistance to affected employers participating in the traffic reduction program in developing and implementing a traffic reduction plan, or (C) expenditures which reflect the needs identified by employers in their traffic reduction plans submitted pursuant to section 13b-38p. Not less than ten per cent of such funds allocated under this subdivision shall be expended on projects to increase the availability of parking at railroad stations along the New Haven commuter railroad line or improvements to the New Haven line railroads, and (2) not less than twenty-five per cent of the total amount of such moneys received by the state pursuant to said grant shall be expended on eligible projects to accomplish the goals of section 13b-38p, and the Clean Air Act which shall include, but not be limited to: (A) Traffic reduction programs or activities, (B) vanpool and shuttle service, (C) electric vehicle demonstrations, (D) programs guaranteeing rides home for transit and vanpool users, (E) the conversion of vehicles to alternative fuel vehicles, as defined in section 12-217i, (F) shuttle connections to rail or express bus service, (G) planning for transit-oriented development, (H) facilities for pedestrians or other nonmotorized means of transportation, (I) signal modifications to provide priority to buses, and (J) improvements to the New Haven line railroads.