There shall be allowed as a credit against the tax imposed on any corporation under this chapter which participates in the traffic reduction program established under section 13b-38p and conducted in this state, except corporations employing fewer than one hundred employees, with respect to any taxable year of such corporation commencing on or after January 1, 1997, an amount equal to fifty per cent of the amount spent in this state by such corporation, on or after January 1, 1995, for the direct costs of traffic reduction programs and services related thereto conducted in this state by such corporation in response to the provisions of sections 13b-38o, 13b-38p, 13b-38t, 13b-38v and 13b-38x, not to exceed two hundred fifty dollars annually per employee employed in this state and participating in alternative means of commuting pursuant to traffic reduction programs conducted in this state. The total amount of credits available under the provisions of this section shall not exceed one million five hundred thousand dollars. The Department of Transportation shall adopt regulations in accordance with the provisions of chapter 54 which shall include, but not be limited to, establishing procedures for a corporation to obtain and qualify for the tax credit.