M4 closed: Fears of Olympic road chaos as motorway from Heathrow to London is closed | Daily Mail Online
The opening of an elevated section of the M4 motorway from Junction 1... News Photo - Getty Images
M4 Elevated Section Reopens
The opening of an elevated section of the M4 motorway from Junction 1... News Photo - Getty Images
An Elevated section of the M4 motorway at Port Talbot, South Wales, UK Stock Photo - Alamy
M4 elevated section hi-res stock photography and images - Alamy
M4 Chiswick Flyover: Hounslow drivers warned of new 30mph speed limit on major road - MyLondon
File:Junction 2 Exit from the M4 Elevated Section at Brentford (From London) - panoramio.jpg - Wikimedia Commons
M4 | View from the Mirror
M4 Smart Motorway plans approved despite 'deadly air pollution' concerns - Berkshire Live
M4 bus lane - Wikipedia
Brentford's Local Web site
Highways Magazine - M4 lighting fix delay 'risks safety'
File:Slip road up to elevated M4 - geograph.org.uk - 741937.jpg - Wikimedia Commons
M4 Junctions 12 (Theale, West Berkshire) to 15 (Swindon, Wiltshire) – Weekend Closures - Stratton St Margaret Parish Council
M4 motorway at brentford hi-res stock photography and images - Alamy
The M4 Motorway (Junction 2, Elevated Section) (Temporary Prohibition of Traffic) Order 2014
M4 Elevated Section, United Kingdom
Urban landscape. A section of the elevated M4 motorway above the A4 road next to houses at Brentford, London, England, UK Stock Photo - Alamy
Live M4 traffic updates today as London sees as long delays and lane closure due to 'structural repairs' - Berkshire Live
M4 junctions 3-12: smart motorway - National Highways
M4 junctions 3 to 12 smart motorway upgrade - Traverse
Atkins - M4 Elevated Section - YouTube
