1. American Association of Retired Persons, 2012. Waiting for a ride: transit access and America's aging population. Available at: http://www.aarp.org/content/dam/aarp/livable-communities/learn/transportation/waiting-for-a-ride-transit-access-and-americas-aging-population-aarp.pdf. Accessed on Sept. 25, 2016.
2. American Public Transportation Association, 2016. March transit savings report: savings bloom when you ride public transit. Available at: http://www.apta.com/mediacenter/pressreleases/2016/Pages/160324_Transit-Savings.aspx. Accessed on Oct.21, 2016.
3. Apartment List, 2018. Rise of the super commuters. Available at: https://www.apartmentlist.com/rentonomics/increase-in-long-super-commutes/. Accessed on July 2, 2018.
4. Associated Press, 2015. Commute in America. Available at: http://interactives.ap.org/2015/commute-in-america/. Accessed on Dec. 25, 2016.
5. Metro Atlanta Chamber, 2007. Forum: is metro Atlanta's economic future stuck in traffic? Available at: http://www.metroatlantachamber.com/news/items/2007/12/17/forum-is-metro-atlanta-s-economic-future-stuck-in-traffic-. Accessed on April 29, 2017.