In order to provide funds necessary to meet the urgent needs for highway construction on state highways within urban areas, there shall be issued and sold general obligation bonds of the state of Washington in the sum of two hundred million dollars or such amount thereof and at such times as determined to be necessary by the commission. The amount of the bonds issued and sold under the provisions of RCW 47.26.400 through 47.26.407 in any biennium shall not exceed the amount of a specific appropriation therefor from the proceeds of such bonds, for the construction of state highways in urban areas. The issuance, sale, and retirement of the bonds shall be under the supervision and control of the state finance committee which, upon request being made by the commission, shall provide for the issuance, sale, and retirement of coupon or registered bonds to be dated, issued, and sold from time to time in such amounts as shall be requested by the commission.