There is hereby established a voluntary traffic reduction program in order to achieve the goals of the Clean Air Act. Any affected employer which elects to participate in such program shall submit a plan and an annual update to the Commissioner of Transportation. Such plan shall describe the measures to be implemented to reduce single occupancy vehicle trips to and from the work location of such employer and to relieve traffic congestion. Any such affected employer which elects to participate in the program shall be eligible for a tax credit pursuant to the provisions of § 12-217s and assistance pursuant to § 13b-38v, provided such plan has been approved by the commissioner.