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
Dec 3 2023 12:00AM: CHAINS-Chain Control
TK -- 10475 Pioneer Trl   (* CHAINS 12/3 *)
Dec 3 2023 12:00AM: CLOSURE-Closure of a Road
South Lake -- 2063 Hopi Ave   (* CLOSURES 12/3 *)
Dec 2 2023 9:35PM: SNOW Information
Gold Run -- Wb Jwo Blue Canyon   (Whitmore CalTrans (WB))
Dec 2 2023 5:44PM: MZP-Assist CT with Maintenance
TK -- 10152 E Keiser Ave   (TRUCKEE CAL TRANS)

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.

Current Chain Controls

Icon for chain control at DLI (Donner Lake Interchange) DLI (Donner Lake Interchange) near Truckee

Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow-tread tires on all four wheels. Four wheel / all wheel drive vehicles must carry traction devices in chain control areas.

Icon for chain control at DLI (Donner Lake Interchange) DLI (Donner Lake Interchange) near Truckee

Truck chain requirements are minimum for all trucks using Donner Summit.

Icon for chain control at DLI (Donner Lake Interchange) DLI (Donner Lake Interchange) near Norden

Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow-tread tires on all four wheels. Four wheel / all wheel drive vehicles must carry traction devices in chain control areas.

Icon for chain control at DLI (Donner Lake Interchange) DLI (Donner Lake Interchange) near Norden

Truck chain requirements are minimum for all trucks using Donner Summit.

Active Changable Message Signs

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

CHAIN CONTROL
4 MILES AHEAD
TRUCKS MINIMUM

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

CHAIN CONTROL
1 MILE AHEAD
TRUCKS MINIMUM

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

CHAIN CONTROL
9 MILES AHEAD
TRUCKS MINIMUM

Icon for a Changable Message Sign I-80 - 034 - Donner Park

ICE AND SNOW
TAKE IT SLOW

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

ICE AND SNOW
TAKE IT SLOW

Icon for a Changable Message Sign I-80 - 048 - Castle Peak Rd

END
CHAIN CONTROL
5 MILES AHEAD

Upcoming Lane Closures

Flagman icon SR-20 between White Cloud Campground in Nevada City and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/04/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between White Cloud Campground in Nevada City and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/05/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between White Cloud Campground in Nevada City and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/06/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between White Cloud Campground in Nevada City and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/07/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between White Cloud Campground in Nevada City and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/08/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between (Diamond Plantation Rd) in Emigrant Gap and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/04/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between (Diamond Plantation Rd) in Emigrant Gap and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/05/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between (Diamond Plantation Rd) in Emigrant Gap and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/06/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between (Diamond Plantation Rd) in Emigrant Gap and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/07/2023   6:30 AM to 6:59 PM

Flagman icon SR-20 between (Diamond Plantation Rd) in Emigrant Gap and in Nevada City

What: One-Way Traffic • 1 of 2 lanes closed • Highway Construction
When: 12/08/2023   6:30 AM to 6:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Chain On Area in Truckee

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Crack Seal Operation
When: 12/04/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Chain On Area in Truckee

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Crack Seal Operation
When: 12/05/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Chain On Area in Truckee

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Crack Seal Operation
When: 12/06/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Chain On Area in Truckee

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Crack Seal Operation
When: 12/07/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Chain On Area in Truckee

What: Alternating Lanes • LShoulder, 1, 2, RShoulder of 2 lanes closed • Crack Seal Operation
When: 12/08/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/04/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/05/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/06/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/07/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Rte 80/89 N/267 in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/08/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Prosser Village/Overland Trail in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/08/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Route 80 in Truckee and Prosser Village/Overland Trail in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/08/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Route 80 in Truckee and Prosser Village/Overland Trail in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/04/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Route 80 in Truckee and Prosser Village/Overland Trail in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/05/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Route 80 in Truckee and Prosser Village/Overland Trail in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/06/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Route 80 in Truckee and Prosser Village/Overland Trail in Truckee

What: Full • All of 1 lanes closed • Crack Seal Operation
When: 12/07/2023   6:01 AM to 11:59 AM

Flagman icon I-80 between Prosser Village/Overland Trail in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Grinding Operation
When: 12/04/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Prosser Village/Overland Trail in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Grinding Operation
When: 12/05/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Prosser Village/Overland Trail in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Grinding Operation
When: 12/06/2023   6:01 AM to 1:59 PM

Flagman icon I-80 between Prosser Village/Overland Trail in Truckee and Route 80 in Truckee

What: Full • All of 1 lanes closed • Grinding Operation
When: 12/07/2023   6:01 AM to 1:59 PM

Flagman icon SR-20 between Scotts Flat Rd (5 Mile House) in Nevada City and Washington Ridge Rd in Nevada City

What: One-Way Traffic • 2, RShoulder of 2 lanes closed • Tree Work
When: 12/05/2023   8:30 AM to 5:01 PM

Flagman icon SR-49 between End N Sidehill Viaduct in Nevada City and Star Lumber in Nevada City

What: One-Way Traffic • 2, RShoulder of 2 lanes closed • Tree Work
When: 12/04/2023   8:30 AM to 5:01 PM

Flagman icon SR-49 between End N Sidehill Viaduct in Nevada City and Star Lumber in Nevada City

What: One-Way Traffic • 2, RShoulder of 2 lanes closed • Tree Work
When: 12/05/2023   8:30 AM to 5:01 PM

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

What: Lane • 2 of 2 lanes closed • Guardrail Repair
When: 12/05/2023   7:01 AM to 12:01 AM

Flagman icon SR-89 between Placer County Line in Truckee and Placer County Line in Truckee

What: One-Way Traffic • 1 of 2 lanes closed • Guardrail Repair
When: 12/05/2023   9:01 AM to 2:01 PM

Flagman icon SR-174 between You Bet Rd in Grass Valley and Peardale Rd in Grass Valley

What: One-Way Traffic • 2, RShoulder of 2 lanes closed • Tree Work
When: 12/07/2023   8:30 AM to 5:01 PM
Map icons courtesey of the fine folks at the Map Icons Collection.
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