1. National Association of City Transportation Officials (NACTO), 2019. Shared Micromobility in the U.S.: 2018. Accessed July 15, 2019: https://nacto.org/wp-content/uploads/2019/04/NACTO_Shared-Micromobility-in-2018_Web.pdf.
2. Sandt, L., Harmon, K., 2019. “Dockless Electric Kick Scooter Systems: What we know and don’t know.” In: Presentation at the Transportation Research Board Annual Meeting. January 14, 2019.
3. Portland Bureau of Transportation (PBOT), 2019. 2018 E-Scooter Findings Report. Accessed March 3, 2019: https://www.portlandoregon.gov/transportation/article/709719.
4. Denver Public Works (DPW), 2018. Denver Dockless Mobility Program: Pilot Interim Report. Accessed March 3, 2019: https://www.denvergov.org/content/dam/denvergov/Portals/705/documents/permits/Denver-dockless-mobility-pilot-update-Feb2019.pdf.
5. City of Austin, 2019. Dockless Mobility Community Survey Report. Accessed June 15, 2019: https://austintexas.gov/sites/default/files/files/Transportation/Dockless_Mobility_Community_Survey_Report_2-28-19.pdf.