Delays from domestic flights put a $32.9 million dent into the U.S. economy, and half that cost is borne by airline passengers, according to a new report led by UC Berkeley researchers. The final report was delivered Oct. 18 to the Federal Aviation Administration, which commissioned the study.

The California High-Speed Rail Authority's forecasts of demand and ridership for a new San Francisco-to-Los Angeles high-speed train are not reliable because they are based on an inconsistent model, according to a new study by researchers at UC Berkeley's Institute of Transportation Studies. The study is the first academic review of the rail authority's ridership forecasts, which was included in California's successful application for federal stimulus dollars.