Caltrans reduced the morning hours for a carpool lane on Highway 101 by two hours to enable more solo drivers to use the lane during peak commute times. | Sundry Photography / Shutterstock
Contributor’s note: This is an update to the October 24, 2025, blog post, “When Carpool Lanes Cause Mayhem.”
Rachel Swan, the San Francisco Chronicle‘s transportation reporter, framed the change in carpool hours on Highway 101 in Marin and Sonoma counties in the San Francisco Bay Area as a win for solo drivers…