trip_id,start_time,end_time,headway_secs
S_N_GO_08001800_60,8:00:00,18:00:00,3600
S_N_RETURN_06001600_60,6:00:00,16:00:00,3600
S_T_GO_08001800_60,8:00:00,18:00:00,3600
S_T_RETURN_06001600_60,6:00:00,16:00:00,3600
B_BK_GO_08001600_120,8:00:00,16:00:00,7200
B_BK_RETURN_08001600_120,8:00:00,16:00:00,7200
B_WCH_GO_09001100_120,9:00:00,11:00:00,7200
B_WCH_RETURN_10001100_60,10:00:00,11:00:00,3600