The South Dakota State Coal Supplying and Roads Funding Amendment was on the November 7, 1916 ballot in South Dakota as a legislatively-referred constitutional amendment, where it was approved. The measure required a two-thirds vote by both branches of the South Dakota Legislature to appropriate revenue or authorize the expenditure of money for highways and coal supplying. The measure amended Article XIII, Section 9 of the South Dakota Constitution.
| South Dakota State Coal Supplying and Roads Funding Amendment (1916)|
| Yes|| 75,922|| 69.37%|
Election results via: South Dakota Political Almanac, Table 7. Results of Elections Concerning State Constitutional Amendments and Initiated and Referred Laws, 1889-1968
Text of measure