Possibly something like this?
Langley Park - 02
Arnsion Centre - 12
Durham Bus Stat - 23
Dragon Ln Tesco - 31
Sherburn Village - 35
Thornley - 46
Wheatley Hill - 58
Castle Eden A19 - 03
Middlesbrough - 26
Middlesbrough - 33
Castle Eden A19 - 56
Wheatley Hill - 01
Thornley - 13
Sherborne Village - 24
Dragon Ln Tesco - 28
Durham Bus Stat - 37
Arnsion Centre - 48
Langley Park - 58
This would replace the poorly used 13 between Durham and Langley Park too.
RE: Go North East Service Suggestions