Question asker David Shayer has a lot of opinions... about billboards. He says the worst are electronic billboards that flash changing images at night. But in addition to an opinion, David has a question: "Why is Highway 101 plastered with billboards while Highway 280 doesn't have any billboards?" In this episode, reporter Christopher Egusa takes a roadtrip to find out more.

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Reported by Christopher Egusa. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Asal Ehsanipour, Katie McMurran and Rob Speight. Additional support from Julie Caine, Paul Lancour, Kyana Moghadam, Suzie Racho, Carly Severn, Bianca Hernandez and Ethan Lindsey Patricia Yollin.