Southbound traffic is diverted off to the Marin City exit and northbound traffic is diverted off to Alexander Ave.
The fire was first reported around 10:20 p.m. and a sig alert was issued around 10:40 p.m.
At 11 p.m. authorities opened up all northbound lanes.
Crews are on scene of 1/4 acre fire near 100 block of Drake Avenue. Forward progress stopped, although lingering smoke is impacting #MarinCity and #Sausalito. Southern Marin, Central Marin, Mill Valley Fire Depts and @MarinSheriff assisting. #MarinCounty pic.twitter.com/OIeVawx2xL— Marin County Fire (@marincountyfire) June 28, 2020
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