question: private BufferedWriter initZone2ZoneImpedaceWriter ( String travelDataPath ) throws FileNotFoundException , IOException { BufferedWriter travelDataWriter = IOUtils . getBufferedWriter ( travelDataPath ) ; travelDataWriter . write ( "from_zone_id:i4,to_zone_id:i4,vehicle_free_speed_travel_time:f4,single_vehicle_to_work_travel_cost:f4," + "am_single_vehicle_to_work_travel_time:f4,bike_time_in_minutes:f4,walk_time_in_minutes:f4,pt_time_in_minutes:f4," + "vehicle_travel_distance_in_meter:f4,am_pk_period_drive_alone_vehicle_trips:f4" ) ; travelDataWriter . newLine ( ) ; return travelDataWriter ; }
target:  Returns a BufferedWriter writing a zone-to-zone impedance matrix for UrbanSim