Utah Code Ann. § 72-2-121
(2) The fund consists of money generated from the following revenue sources:
(3)
(4) The executive director shall use the fund money only:
(c) for the construction, acquisition, use, maintenance, or operation of:
(iii) a facility that may include a:
(g) for a fiscal year beginning on or after July 1, 2013, and after the department has verified that the amount required under Subsection 72-2-121.3(4)(c) is available in the fund, to transfer an amount equal to 50% of the revenue generated by the local option highway construction and transportation corridor preservation fee imposed under Section 41-1a-1222 in a county of the first class:
(ii) to be used by a county of the first class for:
(h) for fiscal year 2015 only, and after the department has verified that the amount required under Subsection 72-2-121.3(4)(c) is available in the fund and the transfer under Subsection (4)(f) has been made, to transfer an amount equal to the remainder of the revenue available in the fund for the 2015 fiscal year:
(ii) to be used by a county of the first class for:
(i) for fiscal year 2015-16 only, and after the department has verified that the amount required under Subsection 72-2-121.3(4)(c) is available in the fund and the transfer under Subsection (4)(f) has been made, to transfer an amount equal to $25,000,000:
(k) for a fiscal year beginning after the amount described in Subsection (4)(j) has been repaid to the Transportation Investment Fund of 2005 until fiscal year 2030, and after the department has verified that the amount required under Subsection 72-2-121.3(4)(c) is available in the fund and the transfer under Subsection (4)(f) has been made, to annually transfer an amount equal to up to 42.5% of the sales and use tax revenue imposed in a county of the first class and deposited into the fund in accordance with Subsection 59-12-2214(3)(b):