(01 Aug 2014, 4:23 pm)col87 wrote . I fail to see how renumbering the 57A to 25 will cause any confusing there wont be . Niether the 21 or 21A go to Durham either and people from Hartlepool dont want to go on Tour of Country Durham to get to Durham City Arriva need to sort that out.
Will be on the Coxhoe-Durham section where it creates a half hourly service with the 57 (hence 57A)
There's a difference between the 21/21a and 23 - the 21 is operated by Darlington depot and 21a by Stockton depot, while the 23 is worked by Durham depot but doesn't go anywhere near the city.