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| A315 road | |
|---|---|
| Country | England |
| Route | 315 |
| Direction a | East |
| Terminus a | Chiswick |
| Direction b | West |
| Terminus b | Hanworth |
| Counties | Greater London |
A315 road The A315 road is a primary arterial route in west and southwest Greater London, linking sections of Chiswick and Hanworth via Acton, Hammersmith, Brentford, Isleworth, Twickenham, and Hounslow. It provides local and through traffic connections between suburban centres such as Ealing, Feltham, Teddington, and transport hubs including Heathrow Airport corridor interchanges. The road traverses conservation areas, commercial high streets, and river crossings, integrating with railways, London Underground lines, and river services.
The A315 begins in east Chiswick near Chiswick High Road and proceeds west through Hammersmith town centre close to Hammersmith Bridge and the River Thames, running parallel to sections of the District line and the Piccadilly line before reaching Brentford near Kew Bridge. West of Brentford it passes through Isleworth and skirts the southern edges of Twickenham and Teddington, intersecting radial routes to Richmond upon Thames and Kingston upon Thames. Further west the road continues into Hounslow borough, traversing suburban districts such as Feltham and terminating near Hanworth close to the southern perimeter of the Heathrow Airport transport corridor and connections to A4 road and M3 motorway approaches.
The route overlays historic thoroughfares that served Middlesex villages and market towns, reflecting 18th‑ and 19th‑century patterns of suburban expansion tied to the growth of London and the arrival of railways such as the Great Western Railway and South Western Railway. Victorian development around Turnham Green and Acton reshaped the road into a principal urban arterial, while 20th‑century interwar and postwar planning accommodated motor traffic, linking to arterial schemes associated with London Plan iterations and local authority improvements by London Borough of Hounslow and London Borough of Richmond upon Thames.
Key junctions occur where the road meets major arteries: it intersects the A4 road near Brentford, crosses the A406 North Circular Road corridor via feeder links, and connects to the M4 motorway approaches via local distributor roads. The road ties into urban centres through junctions with A4020 Uxbridge Road, A219, and radial routes providing access to Richmond town centre, Ealing Broadway station, and bus and rail interchanges such as Feltham railway station and Isleworth railway station. It also interfaces with river crossings at Kew Bridge and proximity to Eel Pie Island and Twickenham Stadium event access roads.
Traffic patterns reflect commuter flows between suburban residential districts and central London employment areas, with peak congestion on approaches to transport hubs like Hammersmith Broadway and interchange nodes serving Heathrow Airport connections. Freight vehicles access light industrial estates in Brentford and Feltham, while local shopping streets sustain short‑trip traffic in Chiswick and Twickenham. Traffic management measures have been introduced in response to air quality concerns in boroughs such as Hounslow and Richmond upon Thames, aligned with wider Mayor of London initiatives on urban traffic reduction.
The corridor is heavily served by London Buses routes linking to key rail and Underground stations including Hammersmith tube station, Ealing Broadway station, and Twickenham railway station, as well as National Rail services on the South Western Main Line and Great Western Main Line suburban branches. Cycle infrastructure varies: segregated lanes and quieter street cycle routes connect with the National Cycle Network and local cycle superhighway proposals; these aim to improve links to Kew Gardens, Richmond Park, and commuter destinations such as Ealing, Acton, and Feltham.
Maintenance responsibility is shared between Transport for London for sections within the Greater London road network and the local highway authorities of London Borough of Hounslow, London Borough of Richmond upon Thames, and London Borough of Ealing. Future development plans include junction upgrades, active travel schemes, and corridor enhancements complementary to Heathrow Airtrack‑era proposals and cross‑borough transport strategies influenced by successive Mayor of London transport policies, aiming to balance traffic throughput with environmental and community objectives.
Category:Roads in London