DUI Checkpoints in Sierra County, CA

Sierra County, tucked away in the Sierra Nevada mountains, is one of California’s most rural and peaceful counties. It’s home to Downieville, Loyalton, and a handful of small communities surrounded by nature. Even though it has a low population, the area sees increased traffic during camping season, holiday weekends, and outdoor events thanks to travelers heading to the Tahoe National Forest, Lakes Basin, and nearby recreation spots.

To keep locals and visitors safe, DUI checkpoints are occasionally set up on key routes—especially when drinking and driving risks increase during summer, festivals, or hunting season.

Downieville – Highway 49 near Main Street

Exact Location: Right near the bridge crossing the Yuba River, close to the historic downtown.

Agency: Sierra County Sheriff’s Office

Details: This checkpoint typically pops up during 4th of July weekend, Gold Rush Days, or when tourism peaks in the summer. Officers check for impaired driving, expired licenses, and open containers. Hours usually run from 5:30 PM to 10 PM.

Loyalton – Highway 49 near Beckwith Street

Exact Location: At the edge of town near the high school and local event grounds.

Agency: California Highway Patrol – Quincy Area

Details: This is a key route for drivers heading west toward Truckee or east toward Reno. Officers set up during holiday travel times or after local community events. They screen drivers between 6 PM and 10:30 PM, checking for alcohol use, drug impairment, and valid documentation.

Sierraville – Highway 89 near Highway 49 Junction

Exact Location: Near the gas station and coffee shop where tourists often stop before heading into Tahoe.

Agency: California Highway Patrol – Truckee Division

Details: This location gets active during summer weekends and holiday travel rushes, especially when people are headed to or from the Tahoe area. CHP focuses on spotting impaired drivers, especially after long drives. Hours are typically 6 PM to 11 PM.

DUI Penalties in Sierra County

Even in a quiet mountain county like Sierra, DUI charges are serious and costly. Whether you’re a local or just passing through, getting caught driving under the influence can turn your life upside down.

First DUI Offense:

  • Up to $2,000 in fines

  • 6-month license suspension

  • DUI education class (up to 9 months)

  • 48 hours to 6 months in jail

  • 3–5 years of probation

Second or Third Offense:

  • Higher fines and longer license suspension

  • Mandatory jail time

  • Ignition interlock device on your car

  • Possible court-ordered rehab

Felony DUI (Injuries or 4th Offense):

  • State prison sentence

  • Long-term license revocation

  • A felony record that impacts your job, housing, and more

Friendly Reminder: If you’re drinking at a lakeside BBQ, mountain lodge, or small-town event, don’t get behind the wheel. Use a designated driver, rideshare, or stay the night. The checkpoints in Sierra County are there to save lives—not just write tickets.