Fig. 3: Spatial distribution of ride-hailing orders in Beijing on weekdays.
From: Estimating emissions reductions with carpooling and vehicle dispatching in ridesourcing mobility

Due to a large number of residents commuting from the suburbs to the city center on weekdays and returning to the suburbs after work, high volume of OD pairs during peak hours in the morning, afternoon, and evening mainly concentrates between the city center and the suburbs. a ride-hailing orders from 7:00 to 9:00, b ride-hailing orders from 9:00 to 11:00, c ride-hailing orders from 17:00 to 19:00, d ride-hailing orders from 19:00 to 21:00.