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Echo Summit Sidehill Viaduct - Historic Bridges and Tunnels - California Department of Transportation Library Digital Collections
![Caltrans District 3 on Twitter: "Crews continue rock scaling work on U.S. HWY 50 today at Echo Summit. Reminder that passenger vehicles are being detoured via Johnson Pass Road this week under Caltrans District 3 on Twitter: "Crews continue rock scaling work on U.S. HWY 50 today at Echo Summit. Reminder that passenger vehicles are being detoured via Johnson Pass Road this week under](https://pbs.twimg.com/media/FOaAfzIVsAQ_-7M.jpg)
Caltrans District 3 on Twitter: "Crews continue rock scaling work on U.S. HWY 50 today at Echo Summit. Reminder that passenger vehicles are being detoured via Johnson Pass Road this week under
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High-Altitude, High-Speed, Highway 50 Echo Summit Bridge Replacement Project Reaches New Heights – SWCPA
![HWY-50 Near Echo Summit, CA Closed Sunday After 'Largest Avalanche this Spring' Caused Head-On Collision - SnowBrains HWY-50 Near Echo Summit, CA Closed Sunday After 'Largest Avalanche this Spring' Caused Head-On Collision - SnowBrains](https://snowbrains.com/wp-content/uploads/2019/04/56533729_1577589485705072_2210689056742834176_n-min.jpg)