DUI Checkpoints in Ontario , CA
DUI checkpoints in Ontario , California are carried out by local law enforcement agencies as part of ongoing traffic safety efforts. These checkpoints follow California legal guidelines and are typically scheduled during high-risk driving periods. Staying informed about checkpoint activity helps drivers understand local enforcement practices, make responsible travel decisions, and comply with California DUI laws.
| Date | Location | Official Source |
|---|---|---|
| Friday, January 16, 2026 | 6 PM to 2 AM | The Ontario Police Department confirms a DUI checkpoint within city limits at an undisclosed location. | — |
| Friday, December 19, 2025 | 6 PM to 2 AM | Officers will conduct DUI checks at S Vineyard Ave & E Walnut St. | — |
| Friday, January 10, 2025 | 6 PM to 2 AM | DUI checkpoint and DUI block operations will take place at an undisclosed location within Ontario city limits. | — |
| Friday, November 22, 2024 | 6 PM to 2 AM | Ontario Police Department will hold a DUI checkpoint at an undisclosed location in Ontario city limits. | — |
| Friday, August 23, 2024 | 6 PM to 2 AM | DUI checkpoint will operate at an undisclosed location within Ontario city limits. | — |
| Friday, June 21, 2024 | 6 PM to 2 AM | DUI/Driver's License checkpoint is active at an undisclosed location within Ontario city limits. | — |
| Friday, March 1, 2024 | 6 PM to 2 AM | DUI checkpoint is at an undisclosed location within Ontario city limits by Ontario PD. | — |