trip_id,start_time,end_time,headway_secs
1,05:30:00,22:30:00,1200
2,05:30:00,22:30:00,1200
4,06:20:00,20:30:00,1200
5,20:30:00,21:30:00,1200
6,06:20:00,20:30:00,1200
7,20:30:00,21:30:00,1200
