South Carolina Code of Laws — Title 12 (Taxation)
S.C. Code Ann. § 12-37-2865 — Distribution of revenues from road use and one-time fee assessments
Seventy-five percent of the revenues from the road use fee assessed pursuant to Section 12-37-2850, and the one-time fee assessed pursuant to Section 12-37-2860 must be distributed by the State Treasurer as provided in Section 12-37-2870. Distributions must be made by the last day of the next month succeeding the month in which the fee is paid. The remaining twenty-five percent must be credited to the Infrastructure Maintenance Trust Fund to be used to finance expansion and improvements to existing mainline interstates.
Source: official text