In Northern California
1-way controlled traffic at various locations from 6 mi west to 5 mi west of the Butte/Plumas Co Line 24 hrs a day 7 days a week thru 1600 hrs on 9/29/25 - Due to construction - Motorists are subject to delays up to 10 minutes
Highway SR-70 Traffic & Road Conditions in California
As of Saturday 9:03AM, there is 1 CHP incidents happening now, details and live traffic maps below. Access 5 live traffic cameras, details on CalTran's 4 active lane closures, current restricted road conditions, and more.
Traffic Accidents & Alerts on SR-70
Defective Traffic Signals Ophir Rd at SR-70 East in Oroville
chp unit a35-010 - westbound ophir at 70 left hand turn lane to go southbound 70 is broken - req caltrans
- CHP Unit A35-010 - Westbound Ophir At 70 Left Hand Turn Lane To Go Southbound 70 Is Broken - Req Caltrans
Sat
18
What accidents happened on SR-70 today?
Tap to see every CHP accident reported today on SR-70
Fri
17
What happened on SR-70 yesterday?
Tap to see all CHP accidents reported Friday for SR-70
* NOTE: CHP incident text may be been modified from its original to improve readability, as a result some errors may have been introduced. Data provided by CHP. Official CHP Incidents.
Why is SR-70 closed?
Real-Time Updates on SR-70 CalTrans lane closures
Summary of current and upcoming CalTrans lane closures and construction work on SR-70 in California.
: There are four CalTrans closures this morning two of these are full closures, primarily affecting areas near Quincy, Portola, and 1.1 mi west of Route 89 North.
Upcoming Closures:
4 Closures: Four closures are planned for Monday morning, two of these are full closures, primarily affecting areas near Quincy, Portola, and 1.1 mi west of Route 89 North.
4 Closures: Four closures are scheduled for mid-day today, two of these are full closures, primarily affecting areas near Quincy, Portola, and 1.1 mi west of Route 89 North.
4 Closures: Four closures are scheduled for Monday evening, two of these are full closures, primarily affecting areas near Quincy, Portola, and 1.1 mi west of Route 89 North.
5 Closures: Five closures are planned late this evening and/or overnight, two of these are full closures, primarily affecting areas near Quincy, Portola, 1.1 mi west of Route 89 North, and 0.5 mile west of Storrie.
Next 3 Days:
4 Closures: Over the next three days, four closures are planned two of these are full closures, primarily affecting areas near Quincy, Portola, and 1.1 mi west of Route 89 North.
Detailed List of Lane ClosuresSR-70 Major Junctions (5)
CalTrans Message Signs for SR-70 (1) - See All
Real-time highway message signs with travel times, travel, wind, fog and chain controls alerts and accident conditions.