Routes prefix for Bradford is bd, Halifax is hx, Huddersfield is hu, Leeds is ld, York is fy and some inter urban services have wy prefixes.
First West Yorkshire employs branding on a few of its routes. The brand applied to a vehicle will be shown by a letter next to the fleet number. Generic (non branded) buses just display without a brand letter. Current brands are :-
| a = | A Greener Leeds | |
| b = | City of Bradford Blue | |
| c = | HD Connect | |
| e = | Elland Road Park & Ride | |
| f = | Leeds City Grey | |
| g = | Leeds City Green | |
| h = | HX Connect | |
| j = | FlexiBus East Leeds | |
| k = | Stourton Park and Ride | |
| l = | Leeds City Blue | |
| m = | Leeds City Mustard | |
| p = | York Park & Ride | |
| r = | Leeds City Red | |
| s = | Yellow School Bus | |
| t = | Temple Green Park & Ride | |
| u = | University of York | |
| v = | University of York electric | |
| w = | First York | |
| x = | Express | |
| y = | York Electric | |
| z = | York | |
| S = | HD Connect School Bus | |
short codes specific for First West Yorkshire are :-