Take the M62 from Hull Westwards.
At junction 29 take the M1 exit to London/Leeds/Wakefield/M621.
Keep tight at the fork, follow signs for Leeds (Cen) M1 (N)/M621
At the roundabout take the 3rd exit onto the M1 slip road to M621/Leeds (Cen)
Merge onto M1
Keep left at the fork to stay on M1, follow signs for Leeds (East)
At Junction 45, exit the M1 and take the A63 (Pontefract Lane) towards Leeds.
At the 3rd roundabout take the first exit into Knowsthorpe Gate.
PPB is the last but one building on the right just opposite the turning for Knowsthorpe Way.