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 The road was one of several from "Welch Gate and Cotton Hill" (sic) turnpiked on 1758.

[1] Between Buttington and Halfway House the original course of the road was abandoned after it was disturnpiked in 1837.

It was used by the army of Henry I, which cleared trees near it on Wenlock Edge to make the road safe.

It terminates in the Quinton area on Halesowen's border with Birmingham and Oldbury.