This video shows the movement of every Portland Trimet bus, rail and tram for a 24-hour period starting at 3:30 a.m. on Wednesday, September 7, 2016 through 3:30 a.m. on Thursday, September 8, 2016. At 4:00 a.m. there are a few bus routes running. You can see how the number of buses starts to grow quickly around 6:00 a.m. and is reduced at 10:00 a.m. There is an increase again during the afternoon peak. In the evening the number of buses running is slowly decreased until around 3:00 a.m. when only one bus is remaining.