"Policy goals" won't be enough to protect bicyclists once the cars start driving themselves. Strong standards will be necessary to govern the interactions between cars and bikes in an autonomous future.
A new study from U.S. PIRG and the Frontier Group projects three scenarios for Americans' future driving patterns that all fall short of current government projections. Transportation planning priorities should be reconsidered, the study contends.
Brad Plumer looks at the latest data on Americans' driving habits, which shows that vehicle miles driven have fallen an astonishing 8.75 percent since June 2005. Despite the end of the recession, driving rates continue their downward trend. But why?