"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 Gallup poll asked residents of each Congressional district whether they felt safe walking alone at night in their city or area. Although city residents feared crime more than suburbs, there were some surprises.
Opponents of high- and mid-rise development often use the term "vertical sprawl." But in fact there is little similarity between high-rise infill and suburban sprawl: the major arguments against one do not apply to the other.