Petaluma Transit
Petaluma Transit is the public bus service in the city of Petaluma , Sonoma County , California . 
<triplet> Petaluma <subj> Sonoma County <obj> located in the administrative territorial entity <triplet> Sonoma County <subj> California <obj> located in the administrative territorial entity <triplet> California <subj> Sonoma County <obj> contains administrative territorial entity