SOUTH SAN FRANCISCO (CBS SF) — CHP on Thursday afternoon said all lanes of southbound US-101 in South San Francisco have reopened following a solo collision and “critical incident investigation.”
CHP initially tweeted about the incident shortly after 1:30 p.m., saying that there was a critical incident on southbound US-101 at Grand Avenue in South San Francisco that had closed the #3 and #4 lanes of the freeway and the Grand Avenue off-ramp.
All southbound lanes were briefly shut down, but a short time later the #1 and #2 lanes were reopened. There were online media reports that the incident was a shooting investigation.
*****Critical Incident Investigation*****
US-101 s/b, JSO Grand Ave off-ramp, the #3 and #4 traffic lanes will be closed indefinitely for critical incident investigation.Please use alternate routes from SF (I-280 s/b to I-380) to avoid area. Expect delays! pic.twitter.com/lZJ6BnXjKV
— CHP San Francisco (@CHPSanFrancisco) December 31, 2020
As of 1:40 p.m., CHP additionally confirmed that there was a traffic collision with injuries on southbound US-101 south of Grand Avenue that had closed the right lanes.
Just over an hour later, CHP confirmed that all southbound lanes had reopened. While CHP said they were investigating a solo vehicle collision, authorities referred any other inquiries about the incident to San Francisco police.
All lanes have been re-opened on US-101 s/b, near Grand Ave off-ramp.
CHP San Francisco is investigating the solo vehicle collision. All other inquiries re: this incident may be directed to the San Francisco Police Department.
— CHP San Francisco (@CHPSanFrancisco) December 31, 2020
