INTER-OFFICE MEMO

• o The researchers note that the information available on the amount of bicycle travel is limited. Because of this, there is uncertainty around the injury risk for cycling and, by extension, around the relative difference in risk between scooter riding and cycling.

City of Santa Monica

In a recent report ("Review and Comment of the Santa Monica Shared Micro-mobility Pilot Program Evaluation and Next Steps," November 2019), staff of the City of Santa Monica noted the following collision and injury experience for the period of January 2019 to September 2019. Unlike the other reports and studies reviewed, the report was based on police collision reports, not emergency department or urgent care clinic visits:

•  122 collisions involving shared mobility devices (scooter share and bike share vehicles) occurred during the study period.
•  Injury severities were noted as follows. No details were provided on the type of injury other than the severity:
• o Severe injury: 10% of collisions
• o Minor injury: 80% of collisions
•  A breakdown of collisions by category was provided:
• o Collision with a motor vehicle: 47%
• o Collision with a pedestrian: 7%
• o Collision with a fixed object: 18%
• o Falling off the device: 21%

City of Austin

Austin Public Health recently completed a review of emergency department visits related to rental e-scooter injuries for the period of September through December 2018 ("Dockless E-Scooter-Related Injuries Study", April 2019). This study included not only a review of injury and treatment records, but also interviews with the injured persons. Key points from this study:

•  There were 192 emergency department visits related to e-scooters during the study period (190 scooter riders, 2 non-riders).
•  48% of injured riders had injuries to the head.
• o 15% of injured riders had evidence of a traumatic brain injury.
• o 3% of injured riders experienced a fracture involving the head.