A413

A413
Country	United Kingdom
Route	413
Length mi	30
Direction a	South
Terminus a	Amersham
Direction b	North
Terminus b	Towcester
Counties	Buckinghamshire, Oxfordshire, West Northamptonshire

A413 The A413 is a primary route in south-central England connecting Amersham in Buckinghamshire to Towcester in West Northamptonshire. It links market towns and commuter suburbs, providing connections to major routes such as the M40, M1, and A5. The road serves local traffic, freight movements, and regional commuting between the Greater London hinterland and the Midlands.

Route

The road begins near Amersham and proceeds northwest through Chesham and the Chiltern Hills, passing close to Great Missenden and Prestwood. It continues toward Buckingham where it intersects routes from Aylesbury and High Wycombe, then crosses the River Great Ouse en route to Stoke Golding and Towcester. Along its length it provides access to Gerrards Cross, Denham, and rural parishes such as Edgcott and Broughton. Key nearby transport nodes include Marylebone station, via links to Aylesbury Vale Parkway, and regional freight terminals like Milton Keynes Central.

History

The alignment traces older turnpike and coaching roads used in the 18th and 19th centuries linking London to market towns such as Milton Keynes and Northampton. Early improvements were undertaken during the era of the Turnpike Acts and later modified with 20th-century road-building initiatives influenced by planners associated with the Ministry of Transport and regional authorities in Buckinghamshire County Council. Wartime logistics during the Second World War prompted upgrades for military movements between depots and airfields near RAF Halton and RAF Wittering. Postwar growth and commuter expansion driven by new towns like Milton Keynes and motorway construction such as the M40 led to junction realignments and bypass schemes around towns like Buckingham.

Major junctions and destinations

Notable connections include junctions with the A355 near Gerrards Cross, links to the A4130 toward Didcot, and intersections with the A421 providing access to Milton Keynes and Bedford. The route interfaces with the M40 via feeder roads serving High Wycombe and Oxford, and it provides onward connectivity to the A5 toward Northampton and Birmingham. Significant destinations served are Chesham, Great Missenden, Buckingham, Stony Stratford, and Towcester, each with rail connections to networks including Chiltern Railways, London Northwestern Railway, and Avanti West Coast.

Traffic and safety

Traffic volumes vary from suburban commuter peaks near Amersham and Chesham to lower rural flows north of Buckingham, with seasonal surges around events at venues such as Silverstone Circuit and agricultural markets in Towcester. Accident studies by regional highways authorities have highlighted collision clusters at junctions near Gerrards Cross and approaches to Buckingham, prompting speed-limit reviews and engineering remedies influenced by guidance from bodies like the Road Safety Foundation and standards from the Department for Transport (United Kingdom). Freight movements to distribution centers linked to M1 logistics and retail parks contribute to pavement wear and junction congestion, necessitating periodic resurfacing funded by Buckinghamshire Council and unitary authorities in West Northamptonshire.

Public transport and cycling provisions

Bus services along the corridor are operated by regional companies such as Arriva UK Bus and Redline Buses, providing links between commuter towns and rail hubs including Marylebone station and Milton Keynes Central. Park-and-ride facilities near Gerrards Cross and integrated ticketing schemes tied to operators like Transport for London and Network Rail facilitate multimodal journeys. Cycling infrastructure includes routed quiet lanes and National Cycle Network connections promoted by Sustrans, with designated cycle paths around Great Missenden and segregated cycleways implemented in urbanized sections near Chesham and Buckingham.

Cultural and economic significance

The route traverses areas associated with literary and cultural figures tied to Roald Dahl in Great Missenden and historical sites linked to the English Civil War and medieval markets in Buckingham and Towcester. It supports local economies through access to agricultural producers, market towns, and commuter belts feeding employment centers such as Milton Keynes, Oxford, and London. Cultural tourism sites accessible from the road include heritage attractions managed by English Heritage and events at venues like Silverstone Circuit and county shows in Buckinghamshire and Northamptonshire. The corridor thus underpins regional tourism, retail, and logistics sectors, influencing planning decisions by bodies like the South East England Development Agency and local chambers of commerce.

Category:Roads in England