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
HMS M32 HMS M32 HMS "M32" was an "M29"-class monitor of the Royal Navy. The availability of ten 6 inch Mk XII guns from the "Queen Elizabeth"-class battleships in 1915 prompted the Admiralty to order five scaled down versions of the "M15"-class monitors, which had been designed to use 9.2 inch guns. HMS "M32" and her sisters were ordered from Harland & Wolff, Belfast in March 1915. However, HMS "M32" and her sister HMS "M33" were sub-contracted to the nearby Workman Clark Limited shipyard. Launched on 22 May 1915, she was completed in June 1915. Upon completion, HMS "M32" was sent to