Factors influencing the usage of shared E-scooters in Chicago
Shared E-scooters, Radom-Effects Negative Binomial, Micromobility, Demand Model, Mobility-on-demand, Chicago
The rapid popularity growth of shared e-scooters creates the necessity of understanding the determinants of shared e-scooter usage. This paper estimates the impacts of temporal variables (weather data, weekday/weekend, and gasoline prices) and time-invariant variables (socio-demographic, built environment, and neighborhood characteristics) on the shared e-scooter demand by using four months (June 2019- October 2019) period of data from the shared e-scooter pilot program in Chicago. The study employs a random-effects negative binomial (RENB) model that effectively models shared e-scooter trip origin and destination count data with over-dispersion while capturing serial autocorrelation in the data. Results of temporal variables indicate that shared e-scooter demand is higher on days when the average temperature is higher, wind speed is lower, there is less precipitation (rain), weekly gasoline prices are higher, and during the weekend. Results related to time-invariant variables indicate that densely populated areas with higher median income, mixed land use, more parks and open spaces, public bike-sharing stations, higher parking rates, and fewer crime rates generate a higher number of e-scooter trips. Moreover, census tracts with a higher number of zero-car households and workers commuting by public transit generate more shared e-scooter trips. On the other hand, results reveal mixed relationships between shared e-scooter demand and public transportation supply variables. This study’s findings will help planners and policymakers make decisions and policies related to shared e-scooter services.
Tuli, F. M., Mitra, S., & Crews, M. B. (2021). Factors influencing the usage of shared E-scooters in Chicago. Transportation Research Part A, 154, 164-185. https://doi.org/https://doi.org/10.1016/j.tra.2021.10.008
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