The amount of revenue derived from the fee increases established in Section 42, Part II, 1986 Act 540 which exceeds the revenue generated pursuant to Sections 56-3-620, 56-3-760, and 56-19-420 of the 1976 Code prior to July 1, 1986 shall be expended by the Department of Transportation to improve access routes to distressed and impacted areas of the State.