The Colorado Limited Gaming Initiative, also known as Initiative 4, was on the November 6 ballot in Colorado as an initiated constitutional amendment, where it was approved. The measure allowed limited gaming in the cities of Black Hawk, Central, and Cripple Creek.
| Colorado Initiative 4 (1990)|
| Yes|| 574,620|| 57.31%|
Election results via: Colorado State Legislative Council, Ballot History
Text of measure
The language appeared on the ballot as:
|| Shall there be an amendment to the Colorado Constitution legalizing limited gaming in the cities of Black Hawk, Central, and Cripple Creek?