(26 May 2021, 10:42 am)deanmachine wrote Because it is the same as the daytime route, same with the 60.

I was thinking more from the point of view of the N prefix denoting that it is a "special" service, and that day passes etc won't be valid on them. When a night bus ran previously on the 56, it was numbered N56 despite it having the same route as the day time service.

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