M48 motorway

Encyclopedia : M : M4 : M48 : M48 motorway

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M48 motorway
Length	12 miles 19 km
Direction	East - West
Start	Alveston
Primary destinations	Severn Beach Chepstow Magor Caldicot
End	Magor
Construction dates	1966 - entire motorway
Motorways joined	21 & 23 - M4 motorway

The M48 is a small motorway in Great Britain that includes the original Severn Bridge. Formerly part of the M4, it became a duplicate section after the Second Severn crossing was completed. The M4 itself now goes over the Second Severn crossing.

The M48 is anomalously numbered, as it is entirely to the west of the M5 motorway and its number should really therefore begin with 5.

Junction 1 of the M48 links the A403 and Severn View services at Aust as well as the B4461 to Alveston to the bridge, while Junction 2 serves Chepstow and the Wye Valley via the A466. The motorway then merges back with the M4 near Magor, Monmouthshire. The services, having no counterpart on the M4, give traffic wishing to use them a motive to use the old bridge and help share traffic between the bridges.

External links

• [CBRD Motorway Database - M48]

 

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