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A-355 road

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A-355 road
NameA-355 road
TypeA road
CountryUnited Kingdom
Lengthapprox. 18 km
DirectionA=West
DirectionB=East
Terminus AReading, Berkshire
Terminus BSlough
Maintained byHighways England

A-355 road

The A-355 road is an A-class arterial route in the United Kingdom connecting suburban corridors between Reading, Berkshire and Slough via commuter towns in Berkshire and Buckinghamshire. It serves as a secondary link for traffic moving between the M4 motorway and the M40 motorway, supporting local access to hubs such as Windsor and Maidenhead while interfacing with regional rail nodes like Reading railway station and Slough railway station. The route functions within the transport network that includes trunk roads such as the A4 road, A329(M), and strategic corridors radiating from London.

Route description

The road commences near western approaches to Reading, Berkshire, intersecting with feeder routes from Caversham and the River Thames corridor, then progresses eastward past suburban centres including Wokingham, Bracknell, and the historic market town of Maidenhead. It crosses arterial links to the A329 and passes in proximity to motorway interchanges with the M4 motorway near Theale and the M40 motorway via connecting roads toward High Wycombe and Beaconsfield. Along its alignment the route skirts conservation areas linked to Windsor Great Park and provides access to corporate campuses associated with firms headquartered in Reading, Berkshire and business parks near Slough Trading Estate. The carriageway features urban primary sections, single-carriageway rural stretches, and suburban dual carriageway segments serving commuter flows to London Paddington and Heathrow-linked services. Key adjacent landmarks include Windsor Castle, Royal Ascot, and transport interchanges serving Heathrow Airport connections.

History

The corridor traces origins to coaching and turnpike routes that served the City of Reading and market towns during the 18th and 19th centuries, paralleling stagecoach lines that connected London to western counties and linking to waterways on the River Thames and the Kennet and Avon Canal. In the 20th century the route evolved with the expansion of road classification under acts influenced by policy debates in Parliament and planning frameworks shaped by postwar reconstruction around Slough. Infrastructure upgrades accompanied the rise of commuter suburbs in Berkshire and industrial development at Slough Trading Estate in the postwar era, while later decades saw traffic management responses to growth in service sectors headquartered in Reading and technological clusters near Bracknell. Historic events affecting the corridor include transport reviews following fuel crises and the implementation of regional strategies advocated by authorities such as Berkshire County Council and unitary administrations.

Major junctions and connections

The road forms nodes with major routes including the A4 road interchange serving westbound access to Bath and eastbound approaches to Central London, junctions with the A329(M) toward Bracknell and Wokingham, and proximity to the M4 motorway which provides access to Cardiff and Bristol. Connections toward the M40 motorway enable travel to Birmingham and Oxford via feeder routes like the A404 road and A40 road. The corridor also links to regional rail termini such as Reading railway station and Slough railway station, long-distance coach services at hubs used by operators serving London Victoria Coach Station and airport shuttles to Heathrow Airport. Local junctions provide access to economic centres including the Slough Trading Estate and retail complexes within Bracknell and Maidenhead.

Traffic and usage

Traffic composition on the route includes commuter flows to London and interurban freight movements serving distribution centres near Slough Trading Estate and light industrial parks in Bracknell. Peak-period congestion typically coincides with rail timetable peaks at Reading railway station and commuter movements toward London Paddington, with seasonal load variations related to events at Windsor Castle and Royal Ascot. Modal interchange occurs at park-and-ride sites and links to local bus networks operated by companies serving Berkshire and Buckinghamshire, while cycling and walking provision is present in suburban sections adjacent to towns such as Wokingham and Maidenhead.

Maintenance and management

Responsibility for routine maintenance and strategic asset management falls under agencies including Highways England for trunk segments and local highway authorities such as Berkshire County Council (historically) and current unitary authorities in Windsor and Maidenhead, Slough, and Wokingham Borough Council for urban sections. Works programmes have been coordinated with regional transport bodies and stakeholders including private sector occupiers in Slough Trading Estate and public transport operators, addressing pavement resurfacing, drainage improvements, and signage harmonisation in line with standards set by national guidance from bodies like the Department for Transport.

Future developments and upgrades

Planned interventions include targeted junction improvements to enhance capacity and safety near interchange points with the M4 motorway and A4 road, localised bypass proposals to reduce through-traffic in historic town centres such as Maidenhead and Windsor, and multimodal integration projects to improve access to rail hubs including Reading railway station. Proposals under regional planning frameworks envisage electrification and low-emission corridors coordinated with policy initiatives affecting Heathrow Airport surface access, investment by local enterprise partnerships, and potential funding from national infrastructure programmes administered by the Department for Transport and regional development agencies.

Category:Roads in Berkshire