A portion of Highway 101 was temporarily shut down in Rohnert Park due to a police investigation, according to the California Highway Patrol. The CHP issued a sig alert to shut down both directions of the highway at Railroad Avenue around 3:44 p.m. Friday. Just before 4 p.m., CHP reported all southbound lanes reopened. There was no estimated time northbound lanes would reopen. No other information was immediately available. #BREAKING US 101 in Rohnert Park at Railroad is closed in both directions due to police activity. No ETA on when freeway will reopen. @nbcbayarea pic.twitter.com/ZIAruy5ogj— John Zuchelli (@tvzuke) January 10, 2025