Relating to the financing of highway improvements; authorizing the payment of trunk highway bonds and interest from any money source in the state bond fund trunk highway bond account; requiring and providing for the commissioner of finance in consultation with the commissioner of transportation (DOT) to annually determine the amount of trunk highway debt service deficiency for reporting to the commissioner of revenue for gasoline tax rate adjustment purposes, specifying the recomputation procedure; authorizing the commissioner of finance on recommendation of the commissioner of transportation to issue trunk highway bonds, limits, requiring the deposit of proceeds in a separate bond proceeds account in the trunk highway fund; appropriating money to the commissioner of transportation from the bond proceeds account for reconstruction and replacement of key bridges on the state trunk highway system, for construction, improvement and maintenance of the interregional corridor system, for improvement of highways classified as bottlenecks by the commissioner and for acquisition of properties necessary to locate, construct, reconstruct, improve and maintain the trunk highway system, requiring the commissioner to demonstrate to the commissioner of finance the cost effectiveness of the proposed use of debt financing to accelerate the projects before using the appropriation; appropriating money to the commissioner from the general fund as an enhancement appropriation (ra)