Authorities are responding to two accidents near Berkeley on Interstate 80, according to the CHP, and traffic has been seriously impacted.

A SIG alert has been issued. According to a 6:18 p.m. alert, the roadway has been reduced to one lane between the Hoffman Split (eastbound) and Golden Gate Fields (westbound) at Ashby Avenue. Traffic was reported to have been completely stopped, with expected delays up to an hour.

According to a notice posted on the 511 Traffic website, “On Thursday, February 12th at 6:33 p.m., a severe traffic alert is in effect on westbound I-80 before Ashby Ave in Berkeley. The right and center lanes are blocked due to an injury accident. Motorists are advised to expect delays and to avoid the area. There is no estimated time of opening.”

Just after 7 p.m., the CHP also was responding to an accident on I-80 eastbound after Central Avenue in Richmond. The second lane from the left had been blocked. Authorities said delays should be expected.

At 7:09 p.m., were was also an accident listed on I-80 westbound before Ashby Avenue; the right shoulder was blocked: “Expect delays.”

Update, 7:15 p.m. According to preliminary information posted online by the California Highway Patrol, the incident was reported as a four-vehicle collision. Dispatchers reported on the scanner that one ambulance took a patient to Highland Hospital after the crash, and another went to a hospital in San Leandro. Four tow trucks were needed at the scene.

Update, 7:27 p.m. As of 7:24 p.m., according to information posted online by the CHP, lanes 1 and 2 are now open.

Update, 7:37 p.m. As of 7:35, three lanes are now open on westbound I-80, according to the CHP. The right lanes are still blocked, according to 511 Traffic.

Berkeleyside will update this post as more information becomes available. See live traffic alerts on 511 Traffic. See the Sig Alert website for a map of local incidents.

Emilie Raguso (former senior editor, news) joined Berkeleyside in 2012 and covered politics, public safety and development until her departure in 2022. In 2017, Emilie was named Journalist of the Year...