- A644 between A629 Halifax Rd and A644 Brighouse Rd, Bradford (Grid ref SE074322)
- A644 between A629 and A644 Thornton Rd, Bradford (Grid ref SE074325)
- A644 between B6145 Thornton Rd and Fleet Lane, Queensbury, Bradford (Grid ref SE085314)
- A644 between Fleet Lane and A647, Bradford (Grid ref SE100305)
- A644 between A647 and Bradford boundary, Bradford (Grid ref SE106300)
- A644 between Calderdale boundary and A6036, Calderdale (Grid ref SE112285)
- A644 between A6036 and A58, Calderdale (Grid ref SE120277)
- A644 between A58(T) and A6025, Calderdale (Grid ref SE126250)
- A644 between A641 and M62, Calderdale (Grid ref SE150228)
- A644 between M62 and A62, Calderdale (Grid ref SE169220)
- A644 between A62 and A638, Kirklees (Grid ref SE200199)