Unit 103 is north bound bulletin located adjacent to Hwy 101 in Petaluma/Sonoma County, CA – SF DMA. It reaches traffic traveling from the SF Bay area toward the cities of Petaluma, Rohnert Park, Santa Rosa, Healdsburg & Sonoma and over 400 Sonoma County wineries, Sonoma State University, Sonoma Coast, Russian River Brewing Company and other wine country tourist destinations. Major business attractions nearby are Petaluma Telecom business park, Graton Resort & Casino, Kaiser, Sonoma State University, Santa Rosa Junior College and Santa Rosa Auto Row.