M4 corridor bridge, serving Chepstow, being renumbered the M48, although the area is still generally considered as falling within the M4 corridor. Since the start of the 21st Century there has been evidence of more investment west of Cardiff, such as: M4 corridor The M4 corridor is an area in the United Kingdom adjacent to the M4 motorway, which runs from London to South Wales. It is a major high-technology hub. Important cities and towns linked by the M4 include (from east to west) London, Slough, Bracknell, Maidenhead, Reading, Newbury, Swindon, Bath, Bristol, Newport, Cardiff, and Swansea. The area is also served
M4 (EP) of sand dune on a beach. In the end, the single crab becomes the only one left but, reflecting the song's lyrics, the crab is devoured by a bigger predator than itself - a seagull. M4 (EP) M4 is an EP recorded by Canadian indie rock band Faunts in 2006. The EP was largely unknown until "M4 (Part II)" was played over the credits of the 2007 video game "Mass Effect". The first theatrically styled music video the band ever filmed was made for "M4 (Part II)". It was directed by Ryan Bosworth and came with a limited amount of