1. 2017 National Household Travel Survey. Available online: https://nhts.ornl.gov/downloads.
2. 2017 National Agenda for Intersection Safety. Available online: https://safety.fhwa.dot.gov/intersection/other_topics/intersafagenda/intersafagenda.pdf.
3. Influence of individual perceptions and bicycle infrastructure on decision to bike;Akar;Transportation Research Record: Journal of the Transportation Research Board,2009
4. Bicycling choice and gender case study: The Ohio State University;Akar;International Journal of Sustainable Transportation,2013
5. Sidewalk bicycling safety issues;Aultman-Hall;Transportation Research Record: Journal of the Transportation Research Board,1998