Estimating Driver Response Rates to Variable Message Signage at Seattle-Tacoma International Airport
Abstrak
We apply Bayesian Linear Regression to estimate the response rate of drivers to variable message signs at Seattle-Tacoma International Airport, or SEA. Our approach uses vehicle speed and flow data measured at the entrances of the arrival and departure-ways of the airport terminal, and sign message data. Depending on the time of day, we estimate that between 5.5 and 9.1\% of drivers divert from departures to arrivals when the sign reads "departures full, use arrivals", and conversely, between 1.9 and 4.2\% of drivers divert from arrivals to departures. Though we lack counterfactual data (i.e., what would have happened had the diversionary treatment not been active), adopting a causal model that encodes time dependency with prior distributions rate can yield a measurable effect.
Topik & Kata Kunci
Penulis (5)
Soumya Vasisht
Shushman Choudhury
Nawaf Nazir
Stephen Zoepf
Chase P Dowling
Akses Cepat
- Tahun Terbit
- 2022
- Sumber Database
- DOAJ
- DOI
- 10.32866/001c.38134
- Akses
- Open Access ✓