Fig. 1

Travel speed (m / min) during the early (19:00 to 01:00 h), peak (01:00 to 03:00 h), and late (03:00 to 07:00 h) activity periods
Travel speed (m / min) during the early (19:00 to 01:00 h), peak (01:00 to 03:00 h), and late (03:00 to 07:00 h) activity periods