A48(M) motorway
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| A48(M) Motorway | |
.PNG/175px-UK_motorway_A48(M).PNG) Road of the United Kingdom |
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| Length | 2 miles (3.2 km) |
| Direction | East - West |
| Start | Castleton, Newport |
| Primary destinations | Cardiff |
| End | St Mellons |
| Construction dates | 1977 - 1977 |
| Motorways joined | 29 -  M4 motorway |
The A48(M) is a motorway in Wales between Cardiff & Newport. It is a spur off the M4 into eastern Cardiff. It is 2 miles (3 km) long and is a 2-lane motorway throughout its length. At St Mellons it runs continuously into a further 6 miles of the dual-carriageway A48, which also features (albeit narrow) hard shoulders[1].
It opened in 1977[2], originally as an ending for the M4. The M4 was subsequently extended from junction 29 in 1980[2] and this section of road was renumbered A48(M). It has been suggested that its continuation westwards was projected to be from St Mellons.
The A48(M) has the unusual feature that it has no junction options: at both ends it just leads into limited-access junctions. It is also the only motorway to be entirely in Wales, as the other motorways, M4 and M48, cross into England.
Contents |
[edit] Junctions
| A48(M) Motorway | ||
| Eastbound exits | Junction | Westbound exits |
| M4 London, Bristol |
J29 M4 (Castleton) | Start of Motorway Exit to M4 (West) |
| Start of Motorway A48 Newport |
J29A (St Mellons) | No exit A48 Cardiff |
[edit] Other A48(M)s
- A 6 mile motorway, the Port Talbot bypass was opened in 1967[2] had also formerly been numbered A48(M) before incorporation into the M4's westward extension in the 1970s[3].
- Another A48(M) is shown on some maps as the Morriston bypass, but its existence has been controversial[4].
[edit] See also
[edit] References
[edit] External links
- CBRD Motorway Database - A48(M)
- Pathetic Motorways - A48(M)
- Google Local Aerial Shot Of Abandoned Carrigeway
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