Christies Sereno White

Dave Bauer

CaDRE# 01166202

ORINDA — Bring on the Caldecott Tunnel fourth bore. Bring on the traffic relief. And say goodbye forever to the frustrating daily change of direction in tunnel lanes at one of the Bay Area’s most famous bottlenecks.

After four years of work, the $417 million fourth and probably final bore of the 76-year-old Caldecott Tunnel, will likely open this weekend, Caltrans reports.