- A456 between A49 and Shropshire boundary, Shropshire (Grid ref SO527685)
- A456 between Herefordshire, County of boundary and Aynall Lane, Herefordshire, County of (Grid ref SO534682)
- A456 between Aynall Lane and Herefordshire, County of boundary, Herefordshire, County of (Grid ref SO536681)
- A456 between Shropshire boundary and A4112, Shropshire (Grid ref SO580684)
- A456 between A4112 and Shropshire boundary, Shropshire (Grid ref SO600687)
- A456 between Worcestershire boundary and A443, Worcestershire (Grid ref SO617684)
- A456 between A443 and A4117, Worcestershire (Grid ref SO687713)
- A456 between A4117 and B4190, Worcestershire (Grid ref SO742738)
- A456 between B4190 Long Bank and B4195 Stourport Rd, Worcestershire (Grid ref SO780744)
- A456 between B4195 Stourport Rd and B4190 Kidderminster Rd, Worcestershire (Grid ref SO796750)
- A456 between B4190 and B4549, Worcestershire (Grid ref SO800759)
- A456 between B4549 and A4535, Worcestershire (Grid ref SO818762)
- A456 between A4535 and A442, Worcestershire (Grid ref SO825766)
- A456 between A442 and A451, Worcestershire (Grid ref SO829768)
- A456 between A451 Blackwell St and A451 The Ringway, Worcestershire (Grid ref SO834769)
- A456 between A451 and A449, Worcestershire (Grid ref SO840771)
- A456 between A449(T) and Husum Way, Worcestershire (Grid ref SO845771)
- A456 between Husum Way, Kidderminster and A450, Worcestershire (Grid ref SO870777)
- A456 between A450 and A491, Worcestershire (Grid ref SO900797)
- A456 between A491 and A491, Worcestershire (Grid ref SO912808)
- A456 between A491 and Monument Lane, Worcestershire (Grid ref SO916810)
- A456 between Monument Lane and Worcestershire boundary, Worcestershire (Grid ref SO920811)
- A456 between Dudley boundary and A459, Dudley (Grid ref SO960825)
- A456 between A459 and M5, Dudley (Grid ref SO980832)
- A456 between M5 and A458, Birmingham (Grid ref SO995839)
- A456 between A458 and A4123, Birmingham (Grid ref SP000850)
- A456 between A458 and A4123, Sandwell (Grid ref SP007852)
- A456 between A4123 and A456, Sandwell (Grid ref SP016854)
- A456 between A4123 and A4030/A4040, Sandwell (Grid ref SP020858)
- A456 between A4030/A4040 and A4040, Sandwell (Grid ref SP023860)
- A456 between A4040 and A4540, Birmingham (Grid ref SP050860)
- A456 between A4540 and A4400/A457 roundabout, Birmingham (Grid ref SP060864)