Chapters: M4 Motorway, Severn Bridge, Second Severn Crossing, New M4, M48 Motorway, A48(m) Motorway, Brynglas Tunnels, Cardiff West Services, Pont Abraham Services, Swansea Services. Source: Wikipedia. Pages: 53. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Road of the United Kingdom The M4 motorway links London with South Wales. It is part of the unsigned European route E30. Other major places directly accessible from M4 junctions are Reading, Swindon, Bristol, Newport, Cardiff and Swansea. Originally referred to as the London-South Wales Motorway, the English section was constructed between 1965 and 1971, the Welsh section was completed in 1993 and the Second Severn Crossing opened in 1996. The M4 runs close to the A4 from London to Bristol. After crossing the River Severn it follows the A48 through Wales, using the Brynglas Tunnels at Junction 25a, Newport and terminates just north of Pontarddulais. The route of the M4 is known as the M4 corridor. The original bridge over River Neath (the A48), is to the right, the new M4 bridge is to the leftThe M4 was built in several stages. In the 1960s two sections were built, one extending from the London end to near Maidenhead, one from north of Bath to west of Newport, including the Severn Bridge (opened in 1966 and now part of the M48). The Port Talbot by-pass, also built in the 1960s and now part of the M4, was originally the A48(M) motorway, a number now allocated to a short section of motorway near Cardiff. The English section of the motorway was completed on 22 December 1971 when the 50 miles (80 km) stretch between junctions 9 and 15 (Maidenhead and Swindon) was opened to traffic. The Welsh section was completed in 1993, when the Briton Ferry motorway bridge opened. The Second Severn Crossing opened in 1996, together with new link motor...More: http: //booksllc.net/?id=20696