I-80 California Road Conditions

I-80 crosses 201 miles of California, from the Nevada line to its end in the state. That is 7% of I-80's 2,900 miles.

Inside California it meets I-5 at Sacramento.

By mile marker, I-80 passes San Francisco 0 · Sacramento 83.

It carries Donner Pass at 7,239 ft, where the weather at the summit is not the weather on the approach.

8 current reports along the route. The 3 most serious are listed below. Always check with the responsible state DOT before setting off.

• Lanes blocked

  I-80 mainline closure (lanes 1, 2, 3)

  Mainline closure. Work: Pavement Work. Lanes closed: 1, 2, 3. Near Woodland, Yolo County.

  Woodland • West • CA • Until Sep 15, 10:59 AM

• Lanes blocked

  I-80 off ramp closure

  Off Ramp closure. Work: Pavement Work. Lanes closed: All. Near Woodland, Yolo County.

  Woodland • West • CA • Until Sep 15, 11:59 AM

• Lanes blocked

  I-80 on ramp closure

  On Ramp closure. Work: Pavement Work. Lanes closed: All. Near Woodland, Yolo County.

  Woodland • West • CA • Until Sep 15, 11:59 AM

NOAA 1991–2020 Climate Normals, from 2 weather stations in California. A dash is a figure that station does not report, not a zero.

Every figure above is a town or a city. The summits are a different climate: Cajon Pass, Donner Pass (Donner Summit, I-80), The Grapevine (Tejon Pass, I-5) have its own page with the readings at the top and a six-day summit forecast.

Towns Along I-80 in California

From Piedmont to Truckee, with the position of each town measured along this stretch itself — counted from the Piedmont end, not from a state milepost, so it will not match the numbers on the signs.

1. 6 mi Piedmont 3.5 mi off the road
2. 10 mi Albany
3. 15 mi Richmond 1.7 mi off the road
4. 20 mi Hercules 1.2 mi off the road
5. 29 mi Vallejo 1.8 mi off the road
6. 46 mi Suisun City 2.8 mi off the road
7. 60 mi Dixon 1.2 mi off the road
8. 83 mi Sacramento 4.8 mi off the road
9. 101 mi Roseville 3.2 mi off the road
10. 116 mi Auburn
11. 184 mi Truckee 1.4 mi off the road

Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.

Related Roads

I-80 in California Road Weather FAQ

Is Interstate 80 in California closed right now?

No full closures are reported on I-80 in California as of Sep 14, 2026 8:32 PM PDT. 8 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.

What are I-80 in California road conditions today?

The map on this page colors the route along I-80 in California by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 14, 2026 8:23 PM PDT. Right now temperatures run from 63°F to 82°F and the strongest wind is 13 mph.

Are there mountain passes on I-80 in California?

Yes — one on this site, Donner Pass at 7,239 ft. Each has its own summit page.

Are there live traffic cameras on I-80 in California?

Yes. This page shows 6 live views on I-80 in California from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.

How often are I-80 in California road conditions updated?

The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.