South Dakota

State News


Oct. 27: State Transportation Funding News

Gov. Phil Bryant (R) told attendees of the Mississippi Economic Council’s 16th Annual Hobnob event on Oct. 25 that he would support putting a gas tax increase on the Nov. 2018 ballot for voter approval. Read More>> While most New Hampshire residents believe the...

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S.D. Approves Bill to Increase State Gas Tax

Update March 17, 2015: Governor Dennis Daugaard (R) signed into law a bill that will generate over $80 million per year for state and county highway and bridge investment, funded in part by a 6 cents-per-gallon increase in the state gas tax. Senate Bill 1 also...

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States Talking Transportation for 2015

Looking Back at 2014 Transportation was a hot topic with state legislatures in 2014, with 66 bills introduced across the country. Over twenty transportation-related bills were approved, with funding legislation approved in 11 states. Of those states, both Rhode Island...

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South Dakota Ballot Measure Results



Fuel Taxes

Excise tax:

  • Biodiesel and blends: 22 cents-per-gallon (the state motor fuel tax)
  • Ethyl alcohol and methyl alcohol motor fuel: 14 cents-per-gallon
  • Compressed natural gas (CNG): 10 cents-per-gallon (converted to GGE of 12.67 cubic feet)
  • Liquefied natural gas (LNG): 14 cents-per-gallon (converted to the GGE of 1.5536 gallons of LNG to one volumetric gross gallon of gasoline)
  • Liquefied petroleum gas (LPG): 20 cents-per-GGE (4.24 pounds per gallon of liquid at 60 degrees Fahrenheit)

Fee/Tax in addition to Gas Excise Tax: Inspection fee (2 cents-per-gallon).

*Federal funding percentages are from an ARTBA analysis of FHWA Highway Statistics data, total ten year average 2004-2013 from tables SF-1 and SF-2. The percent is the ratio of federal aid reimbursements to the state and total state capital outlays and is indicative of the importance of the federal aid program to state capital spending for highways and bridges. Does not include local capital spending. Federal highway reimbursements are primarily used for capital outlays, including construction, right of way and engineering, but are also used for debt service for GARVEE bonds.