(1) In order to provide funds necessary for the location, design, right-of-way, and construction of selected interstate and other state highway improvements, there shall be issued and sold, subject to subsections (2), (3), and (4) of this section, upon the request of the Washington state transportation commission a total of four hundred sixty million dollars of general obligation bonds of the state of Washington for the following purposes and specified sums:
(a) Not to exceed two hundred twenty-five million dollars to pay the state's share of costs for federal-aid interstate highway improvements and until December 31, 1989, to temporarily pay the regular federal share of construction of federal-aid interstate highway improvements to complete state routes 82, 90, 182, and 705 in advance of federal-aid apportionments under the provisions of 23 U.S.C. Secs. 115 or 122: PROVIDED, That the total amount of bonds issued to temporarily pay the regular federal share of construction of federal-aid interstate highways in advance of federal-aid apportionments as authorized by this section and RCW
47.10.790 shall not exceed one hundred twenty million dollars: PROVIDED FURTHER, That the transportation commission shall adopt plans for the obligation of federal-aid apportionments received in federal fiscal year 1985 and subsequent years to pay the regular federal share of federal-aid interstate highway construction projects or to convert such apportionments under the provisions of 23 U.S.C. Secs. 115 or 122;
(b) Two hundred twenty-five million dollars for major transportation improvements throughout the state that are identified as category C improvements and for selected major noninterstate construction and reconstruction projects that are included as Category A Improvements;
(c) Ten million dollars for state highway improvements necessitated by planned economic development, as determined through the procedures set forth in RCW
43.160.074 and
47.01.280.
(2) The amount of bonds authorized in subsection (1)(a) of this section shall be reduced if the transportation commission determines that any of the bonds that have not been sold are no longer required.
(3) The amount of bonds authorized in subsection (1)(b) of this section shall be increased by an amount not to exceed, and concurrent with, any reduction of bonds authorized under subsection (1)(a) of this section in the manner prescribed in subsection (2) of this section.
(4) The transportation commission may decrease the amount of bonds authorized in subsection (1)(c) of this section and increase the amount of bonds authorized in subsection (1)(a) or (b) of this section, or both by an amount equal to the decrease in subsection (1)(c) of this section. The transportation commission may decrease the amount of bonds authorized in subsection (1)(c) of this section only if the legislature appropriates an equal amount of funds from the motor vehicle fund - basic account for the purposes enumerated in subsection (1)(c) of this section.