Iowa Code Title VIII. Transportation [Chs. 306-330B] § 312A.2. Transportation investment moves the economy in the twenty-first century (TIME-21) fund

1. A transportation investment moves the economy in the twenty-first century fund is created in the state treasury under the control of the department. The fund shall be known and referred to as the TIME-21 fund. The fund shall consist of any moneys appropriated by the general assembly and any revenues credited by law to the TIME-21 fund. Moneys in the fund are not subject to section 8.33. Notwithstanding section 12C.7, subsection 2, interest or earnings on moneys deposited in the fund shall be credited to the fund.

2. Notwithstanding subsection 1 and section 312.2, for the fiscal year beginning July 1, 2008, and for each fiscal year thereafter, not more than a total of two hundred twenty-five million dollars shall be deposited in the TIME-21 fund for any fiscal year. Any remaining moneys directed to be deposited in the TIME-21 fund for a fiscal year shall be deposited or retained in the road use tax fund.