Closure December 6-8 | 511 Contra Costa

Closure December 6-8

Bore #1, the southernmost bore, will be closed for three consecutive nights, December 6-8 from 9:30 p.m. – 4:30 a.m. for tunnel lighting, roadway, call box, fire extinguisher, camera and tunnel wash maintenance.  Motorists heading eastbound who normally would take bore #1 will use the middle bore.

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