List of A roads in Great Britain, A roads in List of A roads zones in Great Britain, zone 4 in Great Britain starting north of the A4 road (Great Britain), A4 and south/west of the A5 road (Great Britain), A5 (roads beginning with 4). __TOC__

Single- and double-digit roads

Triple-digit roads

Only roads that have individual articles have been linked in the "Road" column below.

Four-digit roads (40xx)

Four-digit roads (41xx)

Four-digit roads (42xx and higher)

References

{{UK road lists Roads in England, 4 Roads in Wales, Lists of roads in the United Kingdom, 4