Two of four #Caldecott tunnel bores are closed because of a broken transformer. #Caltrans say that the bores may stay closed through the weekend.

The Caldecott tunnel connects #AlamedaCounty and #ContraCosta County via Hwy 24.

🎁 #GiftLink #sfba
https://www.mercurynews.com/2025/12/26/caldecott-tunnel-highway-24-closure/?share=wl5nsltde2ll2h0w2du0

Caldecott Tunnel bores still closed after blown transformer

The mechanical issue was caused by a string of powerful storms that slammed into the Bay Area this week.

The Mercury News