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U.S. 101 Airport Blvd. Interchange Project

Freeway Closures for Falsework Installation Rescheduled

SONOMA COUNTY – In October Caltrans is planning full freeway closures of U.S. 101 at Airport Boulevard in order to install falsework to begin construction of a new bridge. Falsework is a temporary structure that will support the components of a bridge during construction. 

  • Southbound U.S. 101 at Airport Boulevard will be closed Wednesday night, October 23, and Thursday night, October 24, from 11 p.m. to 5 a.m. Detour: Exit on Shiloh Road and turn left. Continue to Old Redwood Highway and turn right. Turn right on Fulton Road and continue to the southbound U.S. 101 loop on-ramp. Note: Both the southbound U.S. 101 on-ramp and off-ramp will be closed during this construction activity..

  • Northbound U.S. 101 at Airport Boulevard will be closed Friday night, October 25, and Saturday night, October 26, from 11:59 p.m. to 6 a.m. Detour: Exit on Fulton Road and turn left to Old Redwood Highway. Turn left on Shiloh Road and continue to the Northbound U.S. 101 On-ramp. Note: the northbound loop on-ramp to Airport Boulevard will also be closed during this construction activity.

This work is weather dependent. If it is delayed due to weather conditions, it will be rescheduled for a later time. Please drive cautiously through the construction zone and leave a safe traveling distance between your vehicle and the vehicle ahead of you.  Please remember to Slow for the Cone Zone. The California Highway Patrol will be on site during these closures.