trip_id,start_time,end_time,headway_secs
KW_05300630_30,5:30:00,6:30:00,1800
KW_06500930_15,6:50:00,9:30:00,900
KW_06300930_20,6:30:00,9:30:00,1200
KW_09501910_20,9:50:00,19:10:00,1200
KW_19402040_30,19:40:00,20:40:00,1800