Colorado Maximum Workday Amendment, Referendum 4 (1988) was a legislatively-referred constitutional amendment, regarding the repeal of obsolete provisions and the maximum workday, on the November 8, 1988 election ballot in Colorado, where it was approved.
| Referendum 4|
| Yes|| 799,250|| 67.2%|
Election Results from: State Legislative Council, Ballot History
Text of measure
Language on the ballot:
|| An amendment to Articles V, VII, VIII, and X of the Constitution of the State of Colorado concerning the maximum eight-hour workday applicable to persons who are employed in certain occupations, conforming the age qualification for electors to that required by the constitution of the United States, and concerning the deletion of obsolete provisions relating to suffrage for women, selection of the seat of government of the state, appropriations for the capitol building, and state support for the 1976 winter olympics.