fare_id,route_id,origin_id,destination_id
bus_local_fare_id,A,,
bus_local_b1_b3_id,A,B1_zone,B3_zone
rail_fare_id,C,,
b3_to_b1_fare_id,,B3_zone,B1_zone
bus_local_fare_id,D,,
default_fare_id,,,