South Carolina’s transportation infrastructure is funded with federal dollars and state revenues generated from motor fuel user fees and vehicle-related fees.
Like most states, in South Carolina, the state motor fuel user fee (aka the “gas tax”) is the primary source of state revenue for roads and bridges.
Using the interactive maps below, take a look at how South Carolina compares to other states. You will see that despite the increase implemented in 2017, our fuel taxes remain significantly lower than our sister states and much lower than the national average.