Duncan, Michael, Kristin Gladwin, Brittany Wood, Yazmin Valdez Torres, and Mark Horner. “Transit-Oriented Development for Older Adults: A Survey of Current Practices Among Transit Agencies and Local Governments in the US”. Journal of Transport and Land Use 14, no. 1 (February 22, 2021): 255-276. Accessed March 1, 2021. http://jtlu.org/index.php/jtlu/article/view/1798.