SUNOL – Niles Canyon Road, the portion of State Route 84 connecting Fremont to Sunol, will remain closed indefinitely after a landslide last month and another week of wet weather, Caltrans said Monday.

The slide came down in the Palomares Road area just before 12 noon on December 30, blocking lanes in both directions. The relentless rain that has hit the Bay Area and Northern California has resulted in a series of mudslides, landslides and debris littering the winding road that serves as a scenic alternative to Interstate Highway 680.

Niles Canyon Road closed by landslide.


Caltrans said Monday crews are working 12-hour shifts to clear debris, clear flooding and repair guardrails. Niles Canyon Road was closed between Mission Boulevard in Fremont and Main Street in Sunol.

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Also in Sunol there were weather closures on Kilkare Road whilst Foothill Road was closed from Kilkare Road to Castlewood Drive in Pleasanton.

On Sunday, the Alameda County Sheriff’s Office urged residents on Kilkare Road, Palomares Road and Niles Canyon Road to voluntarily evacuate ahead of Monday’s storm due to already saturated soil and current runoff. The sheriff’s office said it was highly likely that access in and out of communities could be impacted for several days and emergency vehicles might not be able to reach residents.

The sheriff’s office said it’s also possible that the power would be cut for several days at a time because of the storms.

On Monday, the latest in a series of atmospheric river storms again drenched an already drenched Bay Area and Northern California, and forecasters are expecting more storms throughout the week.

Caltrans said Niles Canyon/Highway 84 is closed until further notice and the public will be notified when there is an estimated reopening date.

Caltrans also urged the public to limit non-essential travel, particularly during peak storm times, and to check traffic conditions before hitting the road.

Niles Canyon Road closure.


More information from Caltrans:

Before you head out, visit the Caltrans website and check QuickMap for real-time traffic information or give them a call 1-800-427 STREET.

As visibility will be limited and roads slick, we are asking all drivers to slow down and allow sufficient time to reach their destination secure.

Move over to enable Caltrans crews, CHP and other emergency personnel to perform the vital duties needed to keep the roads open and respond quickly to emergencies.

Never drive through running water. And if you see standing water, be careful; it may be deeper than it seems.

Follow for 24/7 traffic updates: For real-time traffic, click Caltrans QuickMap:

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