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| Route information | ||||
| Maintained by National Highways, English local authorities and North & Mid Wales Trunk Road Agency | ||||
| Length | 86 mi (138 km) | |||
| Major junctions | ||||
| West end | Mallwyd | |||
 A470 A495 A490 A483 A5 A49 A4169 A442 A454 A449 A491 A459 A456 | ||||
| East end | Halesowen | |||
| Location | ||||
| Country | United Kingdom | |||
| Primary destinations | Welshpool, Shrewsbury, Bridgnorth, Stourbridge | |||
| Road network | ||||
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The A458 is a route on the UK highway network that runs from Mallwyd, near Machynlleth, in Wales, merging with the A456 Hagley Road and the Quinton Expressway on the outskirts of Birmingham, in England. On the way it passes through Welshpool, Shrewsbury, Much Wenlock, Bridgnorth, Stourbridge and Halesowen