- Roadwork eastbound between Magra (Railroad) (Exit 140) and Gold Run Rd (Exit 143), traffic getting through — tree work; until 5:59 a.m.
- Roadwork westbound between Rock Spring Rd and King Rd (Exit 112), 1 mile east of Penryn, traffic getting through — fiber optic installation; until 5:01 a.m.
Cameras and chain-control points on I-80 and US-50. Click a marker to open the camera.
Travelers heading from Reno toward the Sacramento Valley must commit between two distinct mountain corridors. Interstate 80 crosses the northern crest at Donner Summit, while US-50 swings south through the Tahoe basin and over Echo Summit. Check the status before departing Reno or Carson City.
Summit Profile and Route Comparison
The primary route follows Interstate 80 over Donner Summit at 7,221 ft. The southern crossing on US-50 climbs to Echo Summit at 7,427 ft. Echo Summit is exactly 206 ft higher than Donner Summit.
Interstate 80 provides a multi-lane divided interstate engineered for high traffic capacity. US-50 alternates between multilane sections and undivided mountain alignment with sharp curvature along granite walls.
Review US 50 When I-80 Is Closed: Alternate Route Guide for details on winter detours when northern interstate travel shuts down. Check I-80 road conditions and US-50 road conditions before picking an alignment.
Monitoring the I-80 Crossing
Westbound traffic on Interstate 80 begins climbing from Donner Lake at 6,394 ft up toward Castle Peak at 7,165 ft and the summit crest at 7,221 ft. The difference between Donner Lake and Donner Summit is 827 ft.
On the western slope, the road passes Soda Springs at 6,692 ft, Kingvale Westbound at 6,128 ft, and Kingvale Eastbound at 6,095 ft. Soda Springs sits 597 ft higher than Kingvale Eastbound.
Track visual corridor conditions via I-80 webcams. Use the I-80 at Donner Summit webcam and the I-80 at Castle Peak webcam to view the roadway. Check Donner Pass Chain Controls and I-80 Status for interstate checkpoint operations.
Monitoring the US-50 Crossing
US-50 requires navigating two distinct mountain summits rather than one continuous pass. Westbound travelers climb past Carson City to Spooner Summit at 7,156 ft before descending toward Lake Tahoe.
The road traces the shoreline past Cave Rock at 6,321 ft and Zephyr Cove at 6,323 ft. Spooner Summit sits 835 ft higher than Cave Rock. Pavement continues through South Lake Tahoe at 6,351 ft and Myers at 6,345 ft.
From Myers, US-50 ascends past Sierra at Tahoe at 6,909 ft to reach Echo Summit at 7,427 ft. Echo Summit sits 1,082 ft higher than Myers.
Monitor pavement status via the US-50 at Echo Summit webcam and the US-50 at Spooner Summit webcam.
Navigation Decisions and Regulations
Make your route decision before passing through Truckee or entering the Tahoe basin. Turning around on either corridor during winter conditions consumes hours in queued traffic.
When chain controls take effect, verify what the chain-control levels mean prior to reaching screening areas.
Always confirm conditions with Caltrans or NDOT before traveling. This site provides fast visual tracking, but state agencies maintain official regulatory jurisdiction over highway closures and traction requirements.