The ‘i-Silver Pass’ will be issued by Incheon City to seniors aged 75 and older to ride both subways and city buses for free. Provided by Incheon City The implementation of Incheon City's 'i-Silver Pass', which allows seniors over 75 years of age to ride city buses for free, is expected to be delayed from the beginning. Incheon City announced on the 13th that it plans to issue the 'i-Silver Pass', which was to be implemented for 220,000 seniors over 75 years of age starting this month, as early as October.