Utah lawmakers recently passed a new law that could make it cheaper to build major public transit projects in the state. The change is part of Senate Bill 242. While the bill covers a wide range of transportation updates, one provision stands out for contractors, developers, and government entities – a targeted sales tax exemption on construction materials used in certain public transit projects.
Effective July 1, 2026, materials purchased by or on behalf of the Utah Department of Transportation (UDOT) will not be subject to sales tax if they are used in certain public transit capital development projects. This means that key building supplies like concrete, steel, and other materials used in large transit systems, can now be purchased tax-free when tied to qualifying projects. Construction materials are often one of the biggest expenses in infrastructure projects. By removing the sales tax from these purchases, the state is helping reduce overall project costs. That could allow public agencies to stretch their budgets further, potentially funding more projects or completing them more efficiently.
It is important to note that this exemption is not a blanket rule for all construction projects. It applies specifically to projects overseen by UDOT, particularly the projects known as “Fixed guideway” systems, which are projects like rail lines or dedicated bus routes that operate on a set path. This targeted approach ensures that the tax break is focused on large-scale, long-term transit infrastructure rather than general construction. While the bill includes many other transportation related updates, this tax exemption stands out as a direct financial incentive aimed at expanding transit options. For contractors, government agencies, and taxpayers, the goal is to make it easier and more cost effective to build transit systems communities need.
If you are a contractor, supplier, or subcontractor working on public transit projects in Utah, do not assume this exemption applies automatically. Documentation is everything. To benefit from the sales tax exemption, you will need to confirm that the project qualifies and ensure purchases are properly structured as being “made by or on behalf of” UDOT. Getting this right upfront can prevent audit exposure later and ensure you realize the intended tax savings.
(Transportation Amendments, S.B. 242, Utah State Legislature General Session, Laws 2026, effective July 1, 2026)