- A458 between A470 and Gwynedd boundary, Gwynedd (Grid ref SH890124)
- A458 between Powys boundary and B4395, Powys (Grid ref SH999115)
- A458 between B4395 and A495, Powys (Grid ref SJ028100)
- A458 between A495 and B4389 Bridge Street, Powys (Grid ref SJ096067)
- A458 between B4389 Bridge St and A490, Powys (Grid ref SJ200069)
- A458 between A490 and A490, Powys (Grid ref SJ220075)
- A458 between A490 and A490, Powys (Grid ref SJ220075)
- A458 between A483 and A458, Powys (Grid ref SJ222060)
- A458 between A490 and A483, Powys (Grid ref SJ230077)
- A458 between A483 and Powys boundary, Powys (Grid ref SJ298123)
- A458 between Shropshire boundary and B4393, Shropshire (Grid ref SJ399127)
- A458 between B4393 and A5(T), Shropshire (Grid ref SJ431134)
- A458 between A5(T) and Gains Park Way, Shropshire (Grid ref SJ450134)
- A458 between Gains Park Way and B4380 mid-junction, Shropshire (Grid ref SJ460132)
- A458 between B4380 mid-junction and A488, Shropshire (Grid ref SJ480131)
- A458 between A488 and A5191, Shropshire (Grid ref SJ488128)
- A458 between A5191 and A528 roundabout, Shropshire (Grid ref SJ489127)
- A458 between Abbey Foregate roundabout and A5112, Shropshire (Grid ref SJ500120)
- A458 between A5112 and A5064, Shropshire (Grid ref SJ505119)
- A458 between A5064 roundabout and B4380, Shropshire (Grid ref SJ509114)
- A458 between B4380 and A5, Shropshire (Grid ref SJ513103)
- A458 between A5 and A4169, Shropshire (Grid ref SJ600011)
- A458 between A4169 and Wenlock Rd, Shropshire (Grid ref SO650957)
- A458 between Wenlock Rd and A442, Shropshire (Grid ref SO703929)
- A458 between A442 and Faraday Drive, Shropshire (Grid ref SO725923)
- A458 between Faraday Drive and A454, Shropshire (Grid ref SO739924)
- A458 between A454 and Shropshire boundary, Shropshire (Grid ref SO770900)
- A458 between Staffordshire boundary and A449, Staffordshire (Grid ref SO796879)
- A458 between A449 and B4537 Wollaston Rd, Staffordshire (Grid ref SO879850)
- A458 between B4537 Wollaston Rd and Staffordshire boundary, Staffordshire (Grid ref SO882848)
- A458 between Dudley boundary and A461, Dudley (Grid ref SO885846)
- A458 between A461 and A451, Dudley (Grid ref SO895844)
- A458 between A491 and A4036, Dudley (Grid ref SO910843)
- A458 between The Hayes and A4036, Dudley (Grid ref SO923843)
- A458 between A4036 and The Hayes, Dudley (Grid ref SO923844)
- A458 between A4036 and A459, Dudley (Grid ref SO950841)
- A458 between The Hayes and Furnace Lane, Dudley (Grid ref SO950841)
- A458 between Furnace Lane and A459, Dudley (Grid ref SO967838)
- A458 between A459 and Furnace Lane, Dudley (Grid ref SO968838)
- A458 between A459 and A4034, Dudley (Grid ref SO973840)
- A458 between A4034 and Dudley boundary, Dudley (Grid ref SO990849)
- A458 between Sandwell boundary and A456, Sandwell (Grid ref SO993849)