CHP : Residual delays on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Marsh Creek Rd (Brentwood). All lanes open. Expect delays.
Jun 16, 8:00 AM
CHP : Severe traffic alert and Traffic Collision on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area.
Jun 16, 7:30 AM
CHP : Traffic Collision on CA-4 Eastbound entering at Balfour Rd (Brentwood). On Ramp closed. Expect delays.
Jun 16, 7:15 AM
CHP : Traffic Collision on CA-4 Eastbound east of Balfour Rd (Brentwood). Lanes blocked. Expect delays.
Jun 16, 7:00 AM
Source: 511_sfbay · ID 511.org/1508877
First seen Jun 16, 2026 7:00 AM