Home › Authors › National Research Council (U.S.). Transportation Research Board. Committee for the Study on Improving Mobility and Safety for Older Persons. 👤 National Research Council (U.S.). Transportation Research Board. Committee for the Study on Improving Mobility and Safety for Older Persons. 1 book Books by National Research Council (U.S.). Transportation Research Board. Committee for the Study on Improving Mobility and Safety for Older Persons. Transportation in an aging society 1988