They also walk significantly less. As a proxy, 47.7% of children walked or biked to school in 1969, and that fell to 12.7% by 2009. https://archive.cdc.gov/#/d

They also walk significantly less. As a proxy, 47.7% of children walked or biked to school in 1969, and that fell to 12.7% by 2009. https://archive.cdc.gov/#/details?url=https://www.cdc.gov/policy/hi5/saferoutes/index.html https://archive.cdc.gov/#/details?url=https://www.cdc.gov/po... This mirrors general commuting changes in the Census.