New York City Subway service designation
C12143
concept
A New York City Subway service designation is a letter, number, or symbol that identifies a specific subway route, indicating its line, terminals, and general service pattern for riders.
Observed surface forms (1)
- New York City Subway service pattern ×1
Instances (2)
- S (historical map designation)
- Sixth Avenue express service via concept surface "New York City Subway service pattern"