Portola Ave will be temporarily closed from Isabel Ave/Campus Hill Dr to East Airway Blvd for a duration of 10 calendar days in order to repair the wildlife roadway crossings. The road will be closed on Tuesday, September 25th and reopened prior to the morning commute of Friday, October 5th. Traffic will be temporarily detoured to Isabel Ave and East Airway Blvd as shown in below map. Please follow directional signage and drive carefully.
For information on the Isabel Ave/I-580 Interchange improvements, call Roberto Escobar at (925) 960-4500 or visit the City of Livermore web page at