Unhelpful 'and then every x minutes'

[iMarkeh]

If it's a clockface timetable, this is ok but 'every 25 minutes' is not helpful at all for passengers. 20 mins or 30 mins is ok but not 25 mins.

[jclgoodwin]

yes it shouldn't be doing that

(https://bustimes.org/services/16-chester-bus-interchange-saltney-sandy-lane-2)