"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.
Americans are living longer and changing the demographic profiles of our cities in the process. Planners are just beginning to understand how our streets and systems must adapt to accommodate this trend.
As aging baby boomers enter retirement and seek to downsize from their large single-family homes (the "great senior sell-off") they'll find a housing market increasingly uninterested in what they're selling, says researcher Arthur C. Nelson.