![KPBS News | KPBS.org show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/049/510/small/kpbs-news-kpbs-org.jpg)
Summary: Volatile gas prices have boosted public transit ridership in most of the country. But not in San Diego, where trolley trips were down nearly 5 percent last year.
Summary: Volatile gas prices have boosted public transit ridership in most of the country. But not in San Diego, where trolley trips were down nearly 5 percent last year.