Nevada County Traffic & Transportation


Highway congestion maps, updated traffic cameras, and CHP & CalTrans incidents and lane closure reports keep you safe and on time.

Nevada Region Traffic Map

Updated every 2 minutes. Click on map icons for more information.

Traffic Cameras for I-80

Traffic Camera Image from I-80 at Hwy 80 at Soda Springs EB
Soda Springs - Hwy 80 at Soda Springs EB
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at Old Ag Sta
Truckee - Hwy 80 at Old Ag Sta
Camera looking West
Traffic Camera Image from I-80 at Hwy 80 at Hwy 89
Truckee - Hwy 80 at Hwy 89
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at 267
Truckee - Hwy 80 at 267
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at Truckee Scales
Truckee - Hwy 80 at Truckee Scales
Camera looking West
Traffic Camera Image from I-80 at Hwy 80 at Floriston
Truckee - Hwy 80 at Floriston
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at Donner Summit
Soda Springs - Hwy 80 at Donner Summit
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at Donner Lake
Truckee - Hwy 80 at Donner Lake
Camera looking West
Traffic Camera Image from I-80 at Hwy 80 at Castle Peak
Soda Springs - Hwy 80 at Castle Peak
Camera looking East
Traffic Camera Image from I-80 at Hwy 80 at Truckee Scales WB
Truckee - Hwy 80 at Truckee Scales WB

Traffic Cameras for SR-20

Traffic Camera Image from SR-20 at Hwy 20 at Dorsey Dr
Grass Valley - Hwy 20 at Dorsey Dr
Camera looking North

Traffic Cameras for SR-267

Traffic Camera Image from SR-267 at Hwy 267 at Truckee Bypass
Truckee - Hwy 267 at Truckee Bypass

Current CHP Incidents

Incidents marked in map view with Google Incident Icon
May 22 2025 8:48PM: 20002-Hit and Run No Injuries
Gold Run -- I80 W / Yuba Gap Ofr   (OCCUR AT)
May 22 2025 8:35PM: 20002-Hit and Run No Injuries
Gold Run -- I80 W / Yuba Gap Ofr

Current CalTrans Alerts & Notices

If blank, there are no currently active Changable Message Signs Icon for changable message sign, Chain Control Signs Icon for chain control or Lane Closures Icon for flagman.

Lane Closures Today

Flagman icon I-80 between Beg Chain-Off Area in Soda Springs and South Yuba River in Soda Springs

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Roadway Excavation
When: TODAY   6:01 AM to 4:59 PM

Flagman icon I-80 between South Yuba River in Norden and Beg Chain-Off Area in Soda Springs

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • K-rail Installation
When: TODAY   6:01 AM to 4:59 PM

Flagman icon I-80 between Route 80 in Emigrant Gap and Rte 20 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: TODAY to 10/15/2025

Flagman icon I-80 between Route 80 in Emigrant Gap and Yuba Gap in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: TODAY to 05/30/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Route 80 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: TODAY to 06/17/2025

Flagman icon I-80 between Yuba Gap in Emigrant Gap and Route 80 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: TODAY to 10/15/2025

Flagman icon I-80 between Donner Pass Inspection Facility (CHP Scales) in Truckee and Fibreboard in Truckee

What: Lane • 1 of 2 lanes closed • Installing Rumble Strip
When: TODAY to 05/23/2025

Flagman icon SR-20 between Omega Rest Area in Smartsville and Zeibright Rd in Nevada City

What: One-Way Traffic • 2 of 2 lanes closed • Shoulder Work
When: TODAY   8:30 AM to 6:01 PM

Flagman icon I-80 between Route 80 in Truckee and Donner Pass Inspection Facility (CHP Scales) in Truckee

What: Alternating Lanes • 1, 2 of 2 lanes closed • Attenuator Repair
When: TODAY   9:01 AM to 5:01 PM

Flagman icon SR-49 between Pleasant Valley Rd in Nevada City and Oak Tree Rd in North San Juan

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: TODAY   8:01 AM to 4:30 PM

Flagman icon SR-49 between Pleasant Valley Rd in Nevada City and Oak Tree Rd in North San Juan

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: TODAY   8:01 AM to 12:01 AM

Flagman icon SR-174 between Greenhorn Access Rd in Grass Valley and Greenhorn Access Rd in Grass Valley

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: TODAY   8:30 AM to 4:01 PM

Flagman icon SR-20 between Nevada St in Nevada City and Route 49 / Empire St in Grass Valley

What: Moving • 1 of 2 lanes closed • Shoulder Work
When: TODAY   8:45 AM to 6:59 PM

Active Changable Message Signs

Icon for a Changable Message Sign I-80 - 004 - Truckee

MINUTES TO:
20 Jct 24
AUBURN 63

Icon for a Changable Message Sign I-80 - 013 - Vista Point

MINUTES TO:
20 Jct 20
COLFAX 47

Icon for a Changable Message Sign I-80 - 033 - Prosser Village Rd

MINUTES TO:
KINGS BEACH 17
DONNER REST 12

Icon for a Changable Message Sign I-80 - 037 - Eagle Lakes Rd

WORK ZONE AHEAD
SPEED LIMIT
55 MPH MAX

Upcoming Lane Closures

Flagman icon SR-20 between Placer County Line in Emigrant Gap and Route 80 in Emigrant Gap

What: One-Way Traffic • 1 of 2 lanes closed • Miscellaneous Work
When: 05/28/2025 to 05/29/2025

Flagman icon SR-20 between Placer County Line in Emigrant Gap and Route 80 in Emigrant Gap

What: One-Way Traffic • 1 of 2 lanes closed • Miscellaneous Work
When: 05/29/2025 to 05/30/2025

Flagman icon SR-20 between Placer County Line in Emigrant Gap and Route 80 in Emigrant Gap

What: One-Way Traffic • 1 of 2 lanes closed • Miscellaneous Work
When: 05/30/2025   0:01 AM to 11:59 PM

Flagman icon I-80 between Rte 20 in Emigrant Gap and Route 80 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: 05/27/2025 to 05/28/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Route 80 in Emigrant Gap

What: Alternating Lanes • 1 of 1 lanes closed • Highway Construction
When: 05/28/2025 to 05/29/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Route 80 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: 05/29/2025 to 05/30/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Yuba Gap in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/27/2025 to 05/28/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Yuba Gap in Emigrant Gap

What: Alternating Lanes • 2, 1 of 2 lanes closed • Highway Construction
When: 05/28/2025 to 05/29/2025

Flagman icon I-80 between Rte 20 in Emigrant Gap and Yuba Gap in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/30/2025   0:01 AM to 6:59 AM

Flagman icon I-80 between Rte 20 in Emigrant Gap and Route 80 in Emigrant Gap

What: Full • All of 1 lanes closed • Highway Construction
When: 05/30/2025   0:01 AM to 5:59 AM

Flagman icon I-80 between Nevada Co Line in Emigrant Gap and Rte 20 in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/27/2025 to 05/28/2025

Flagman icon I-80 between Nevada Co Line in Emigrant Gap and Rte 20 in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/28/2025 to 05/29/2025

Flagman icon I-80 between Nevada Co Line in Emigrant Gap and Rte 20 in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/30/2025   0:01 AM to 5:59 AM

Flagman icon I-80 between Nevada Co Line in Emigrant Gap and Rte 20 in Emigrant Gap

What: Alternating Lanes • 1, 2 of 2 lanes closed • Highway Construction
When: 05/29/2025 to 05/30/2025

Flagman icon SR-20 between Skillman Campground in Nevada City and Last Chance Mine Rd / Diamond Creek Rd in Emigrant Gap

What: One-Way Traffic • 2 of 2 lanes closed • Shoulder Work
When: 05/27/2025   8:30 AM to 6:01 PM

Flagman icon SR-20 between Skillman Campground in Nevada City and Last Chance Mine Rd / Diamond Creek Rd in Emigrant Gap

What: One-Way Traffic • 2 of 2 lanes closed • Shoulder Work
When: 05/28/2025   8:30 AM to 6:01 PM

Flagman icon SR-20 between Skillman Campground in Nevada City and Last Chance Mine Rd / Diamond Creek Rd in Emigrant Gap

What: One-Way Traffic • 2 of 2 lanes closed • Shoulder Work
When: 05/29/2025   8:30 AM to 6:01 PM

Flagman icon SR-49 between Oak Tree Rd in North San Juan and Oak Tree Rd in North San Juan

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: 05/28/2025   8:01 AM to 4:30 PM

Flagman icon SR-49 between Oak Tree Rd in North San Juan and Oak Tree Rd in North San Juan

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: 05/29/2025   8:01 AM to 4:30 PM

Flagman icon SR-49 between Newtown Rd in Nevada City and Lowden Ln in Nevada City

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: 05/28/2025   8:01 AM to 4:30 PM

Flagman icon SR-49 between Newtown Rd in Nevada City and Lowden Ln in Nevada City

What: One-Way Traffic • 1, RShoulder of 2 lanes closed • Tree Work
When: 05/29/2025   8:01 AM to 4:30 PM
Map icons courtesey of the fine folks at the Map Icons Collection.
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