Makes various changes to provisions concerning roads and transportation. Allows a taxpayer to claim a credit against state income tax liability for certain qualified railroad expenditures and qualified new rail infrastructure expenditures. Specifies the amount of the credit. Limits the total amount of credits that may be allowed in a state fiscal year and provides for the expiration of the credit. Increases the maximum rate a county containing a consolidated city (consolidated city) may impose for the county wheel tax and the county vehicle excise tax and specifies the purposes for which the proceeds of those taxes must be appropriated. Beginning in 2026, lowers the percentage of funds distributed to counties, cities, and towns (local units) from the motor vehicle highway account that must be used for construction, reconstruction, and preservation of a local unit's highways if certain conditions related to pavement quality are satisfied. Amends provisions pertaining to the Indiana finance authority's authorization to issue revenue bonds or notes, including grant anticipation revenue bonds or notes, to finance highway and road construction projects. Allows the Indiana department of transportation (department) to submit a request to the Federal Highway Administration for a waiver to toll lanes on interstate highways. Provides that, if a request for a waiver to toll lanes on interstate highways is granted, the general assembly is not required to enact a statute before tolling may occur. Allocates responsibility for bridges in a county between that county and a municipality based on the size and location of the bridge. Allows a local county road and bridge board to undertake low water crossing projects. Requires the department to ensure that information regarding funding sources for low water crossing projects is made available to county boards of commissioners and county highway departments. Provides that money in the local road and bridge matching grant (matching fund) must be allocated, transferred, and distributed for specified purposes. Specifies the timing of those allocations, transfers, and distributions. Imposes conditions on the allocations, transfers, and distributions made from the matching fund, including, in state fiscal years beginning after June 30, 2027, limitations on the ability of a local unit to apply for a grant in certain circumstances. Allows local units to use grants from the matching fund for low water crossing projects. Reduces the required local matching amounts and increases the population thresholds that apply to certain local units, if the department approves a grant from the matching fund. Restates a provision allocating 50% of the amount available in the matching fund to local units with a population of less than 50,000. Increases the speed limit on Interstate Highway 465. Requires all townships to annually adopt a capital improvement plan, which must include the balance of all unrestricted funds that exceed the township's budget for the following year. Provides that a township must transfer 30% of the amount of the balance of all unrestricted funds that exceed the township's budget for the following year to the township roads and infrastructure fund. Requires a township board to adopt a resolution if favor of providing money for the improvement and maintenance of roads and infrastructure within the township before a township transfers money for such projects. Provides, for purposes of the provisions regarding township capital improvement plans and township roads and infrastructure funds, that unrestricted funds are cash reserves that are not obligated, committed, encumbered, or restricted for specified purposes. Urges the legislative council to assign to the interim study committee on roads and transportation the study of appropriate road funding formulas. Makes conforming changes.