• 
• 
• 
• 

• Regular inspection & immediate repair of various facilities.
• Operators’ health conditions and safety training before operation.
• Disposition of safety officers in each station.

• Platforms and lounges cleaning every day.
• Restroom round-check every hour and operation of the designated cleaner.
• Trains cleaning every time at the terminal station.
• More than 99% working ratio of automatic gate machines, automatic ticketing vending machines, and
  transport facilities.
• Equipment inspection with prior notice.
• Offering various cultural spaces in stations.
• Keeping Quality of air and noise below certain level. (Micro dust 150㎍/㎥, carbon dioxide 1,000ppm,
  formaldehyde 100㎍/㎥, carbon monoxide 9ppm)
• Luminosity over 300Lux in every rolling stock; temperatures 24-26℃ in summer/18~20℃ in winter.

• No cancellation and 99% operated without more than 5-minute delay.
• Information relayed within 5 minutes in case of a delay or suspension.
• Delay certificate issued if a train is delayed for more than 5 minutes.
• Alternate transportation fares are provided to customers in a train that is delayed more than 1 hour or when
  the last train of the day is delayed.
• Refunds are provided for unused tickets or delays.

• Officers always wear a name tag and quickly respond to customers with friendly attitudes.
• Priority services for the senior, disabled, and other people in need.
• Customer Care Center (Call Center): 02-2656-0009
• Lost & Found Office: 02-2656-0009 (Line 9 Dongjak Station)
• Internet : http://www.metro9.co.kr
• Mail-in: Customer Care Center, 388-1 Gaehwa-dong Gangseo-gu Seoul (157-230)
• Mailed in comments are carefully reviewed and replied as soon as possible (during business days).

• Please use tickets and Transportation Cards properly and cooperate with our attendants when requested.
• Please be alert when using escalators and other facilities and when waiting at the platform. Please contact
  us immediately if you discover suspicious packages or people.
• All subway stations and facilities are public properties so please handle with care. Also, please be
  considerate and courteous in public places.