| 1 | 1-Darlington - Tow Law |
| 10 | 10-Darlington - Springfield/Whinfield |
| 13A | 13A-Darlington - Firth Moor |
| 13B | 13B-Darlington - Firth Moor |
| 16 | 16-Harrowgate Hill - Mowden or West Park |
| 17 | 17-Greenwell Road - Alston Crescent |
| 17 | 17-Darlington - Mowden Estate |
| 18 | 18-Darlington - Harrowgate Hill |
| 19 | 19-Darlington - Faverdale |
| 2 | 2-Red Hall - Branksome |
| 29 | 29-Richmond - Darlington |
| 29 | 29-Richmond - Darlington |
| 2A | 2A-Red Hall - Branksome |
| 3 | 3-Skerne Park - Hummersknott |
| 34 | 34-Richmond - Darlington |
| 34 | 34-Richmond School - Darlington |
| 34 | 34-Richmond School - Darlington |
| 4 | 4-Darlington - Minors Crescent |
| 5 | 5-Darlington - Bishop Auckland |
| 6 | 6-Darlington Town Hall - Darlington Town Hall or Tubwell Row |
| 6 | 6-Stockton-on-Tees High Street North - Darlington Town Hall |
| 6A | 6A-Darlington Town Hall - Darlington Town Hall or Tubwell Row |
| 6B | 6B-Stockton-on-Tees High Street North - Darlington Town Hall |
| 7 | 7-Darlington - Durham |
| 7 | 7-Darlington - Durham |
| 72 | 72-Northallerton - Darlington |
| 72 | 72-Northallerton - Darlington |
| 8 | 8-Darlington - Ferryhill/Spennymoor |
| 84 | 84-Barnard Castle - Darlington |
| 84A | 84A-Barnard Castle - Darlington |
| 9 | 9-Darlington - Springfield/Whinfield |
| ED5 | ED5-Darlington - Houghall College |
| UTCA | UTCA-Darlington - South Durham UTC |
| UTCA | UTCA-Darlington - South Durham UTC |
| X26 | X26-Darlington - Colburn |
| X26 | X26-Darlington - Colburn |
| X27 | X27-Darlington - Colburn |
| X66 | X66-Middlesbrough - Darlington |
| X67 | X67-Middlesbrough - Darlington |
| X75 | X75-Darlington - Barnard Castle |
| X76 | X76-Darlington - Barnard Castle |
