Checked on google and came up with a New York subway line.
Thank you , afridij
C Line Symbol, BROOKLYN. Stops All Times Except Late Night Symbol, High Street / Brooklyn Bridge / Cadman Plaza East, B25, B69 ...
STATION SERVICE KEY SUBWAY TRANSFER KEY
Stops All Times,
Except Late Nights (11pm to 5:30am) Full Time
Stations / Cross Streets Subway
Transfers Bus and Rail