Deptford Broadway

The A2 is a major road in south-east England, connecting London with the English Channel port of Dover in Kent. This route has always been of importance as a connection between London and sea trade routes to Continental Europe. It was originally known as the Dover Road. The M2 motorway has replaced part of the A2 as the strategic route.

Unlike the other single digit A-roads in Great Britain, the A2 does not form a zone boundary. The boundary between Zones 1 and 2 is the River Thames.

History of the route

The route of the current A2 follows a similar route to that of a Celtic ancient trackway. It was an important route for the Romans linking London with Canterbury and the three Channel ports of Rutupiae (now Richborough), Dubris (now Dover) and Portus Lemanis (in modern Lympne). It had river crossings at Rochester over the River Medway; Dartford ( River Darent) and Crayford (River Cray). The Romans paved the road and constructed the first Rochester Bridge across the Medway. Access to London was via London Bridge which was first constructed by the Romans in AD 50. The road appeared in the Antonine Itinerary, a contemporary map of Roman roads in Britain, as 'Item a Londinio ad portum Dubris'.

In Anglo-Saxon times it became part of a longer road known as Wæcelinga Stræt ('Watling Street' in modern English). Rochester Bridge was rebuilt in stone in 1391 and the 'Wardens and Commonalty of Rochester Bridge' were created to maintain the bridge, the modern equivalent of which, the Rochester Bridge Trust, still manages the current crossing.

By the 17th century, the road had fallen into disrepair and sections were converted into turnpike roads by various Turnpike Acts passed by Parliament. The section between Gravesend and Rochester was turnpiked in 1712 and that from Chatham to Canterbury in 1730; the section from there to Dover was only turnpiked in the 19th century by which time it was known as the Great Dover Road. Rochester Bridge was rebuilt in cast iron in 1856 (and rebuilt again in 1914 with a second bridge in 1970). The London, Chatham and Dover Railway completed a railway route from London to Dover in the 1860s. Access to London from the A2 across the River Thames was improved with the completion of Tower Bridge (1894), Blackwall Tunnel (1897) and the Rotherhithe Tunnel (1908).

The road was given the reference A2 within the Great Britain road numbering scheme in the 1920s. The Dartford Southern By-pass, which relieved chronic congestion on the old route through Dartford, provided considerable local employment during the Post–World War I recession. It was opened by the Prince of Wales in 1924 and is now named Princes Road. It is estimated that the project provided 63,500 days work to local unemployed people.

The Dartford Crossing opened as a single tunnel in 1963, then a second tunnel opened in 1980 for additional traffic on the A2, and the M2 Motorway opened in stages between 1963 and 1965 providing an alternative faster route for long-distance traffic avoiding the A2 through Rochester and Chatham. The three-lane stretch of the A2 between Falconwood and Cobham was built in stages from around 1963 until 1973. A section of Ringway 3 (part of the proposed M16 motorway linking to the A2, which later formed part of the M25 motorway opened between 1974 and 1977.

The Rochester Way Relief Road, bypassing Kidbrooke and Eltham, was opened in 1988. The M20 motorway to Folkestone was constructed in stages from the 1960s and provided a faster route to Dover following extensions built in the early 1990s, after which traffic levels on the M2 and A2 reduced. The Queen Elizabeth II Bridge opened in 1991.

A new flyover for A2 westbound to M25 northbound traffic was completed in late 2007.

In 2008, a section of the A2 beside Gravesend was widened to 3 or 4 lanes between Pepperhill (a suburb of Northfleet) to Cobham. It was also rerouted away from the houses of Gravesend/Singlewell to make room for the new lanes and reduce the amount of noise and pollution from the widened roads. The old route of the A2 (the Roman road) has been made into a combined footpath and cycle path. The new road section opened in 2009. A section of the old road has been turned into Cyclopark, with footpaths, cycle paths and an equestrian route along the old road.

Proposed developments

A new Lower Thames Crossing down river from the Dartford Crossing linking to the A2 has been proposed by the Department for Transport in 2009.

The route today

Its original alignment roughly followed a mix of the ancient Celtic route and the turnpike road to Dover. The Roman alignment, however, is not easy to identify and much of the original A2 does not exactly follow what is known of the Roman route (the straightness of many long stretches is misleading). A section of the modern A2 from Rochester to the Roman settlement of ''Vagniacae'', modern Springhead, is believed to roughly follow the Roman route.

Borough to Shooter's Hill

The A2 starts at Borough in Central London, at a junction with the A3, near the church of St George the Martyr. The remains of a small Roman temple was excavated at Tabard Square in 2003. The A2 at this point is named Great Dover Street, and is the only part of the A2 within the congestion charging zone. At the end of the road, it meets the London Inner Ring Road and becomes a primary route. The A2 heads along Old Kent Road towards New Cross, where the A20 breaks away. The A2 continues east through Deptford and Blackheath until it arrives at the Shooter's Hill Interchange with the A102 near Greenwich. A section of the Roman road has been identified running through Greenwich Park on an alignment with Vanbrugh Park.

Shooter's Hill to Three Crutches

At Shooter's Hill, Watling Street and the A2 part company, as Watling Street continues along the A207. At this point the A2 joins a dual carriageway, the Rochester Way Relief Road (the carriageways to the north of this junction being the A102 Blackwall Tunnel Approach) with a speed limit of 50 mph (80 km/h).

The A2 meets traffic lights at Kidbrooke; this is the last set of traffic lights out of Greater London (the lights only apply to traffic turning right onto the A2213). Shortly after here, the A2 crosses the A205 South Circular Road and becomes a motorway in all but name, with 3 lanes and a hard shoulder in each direction. Within the London section the left hand lane is used for local traffic.

At Falconwood, the road becomes the East Rochester Way – this point was once the westbound terminus of the dual carriageway. There are exits for Bexleyheath, Black Prince (at Bexley), and other south east London suburbs. Motorists should be aware that the section between the Blackwall Tunnel Approach and Dartford Heath is monitored using average speed cameras. Just before the A2 reaches the junction with the A2018, the speed limit increases to the national speed limit (70 mph, 112 km/h) as the road crosses the Greater London boundary to head eastwards into Kent towards Dartford, bypassing the town to the south and cutting through Dartford Heath. The next junction links the road to the M25 London Orbital Motorway at Dartford; the next, (Bean Interchange), is for the B255 and A296 for Bluewater, where Watling Street rejoins the A2.

The A2 then bypasses Gravesend, before merging into the M2 at Three Crutches Interchange, near Strood.

This latter section, from the Pepper Hill Interchange (near Northfleet and the Ebbsfleet International railway station), to the Cobham Interchange underwent extensive works (2007–2009) to move the entire carriageway south to run parallel to the Channel Tunnel Rail Link, so as to move the road away from residential housing – and continue using four lanes in each direction, with grade separated junctions.

Three Crutches to Brenley Corner

The A2 reverts to a non-primary single carriageway road at this point. The M2 now parts company to bypass the Medway Towns, while the A2 heads into them. It enters Strood before crossing the River Medway into Rochester. The A2 bypasses the old High Street, heading instead along Corporation Street alongside the railway lines. It crosses the old High Street, climbs Star Hill and heads east into Chatham where it meets the A230 and A231. There used to be one way ring road but it was changed to two way running in 2006 and was partially closed to all but buses and taxis in 2009, meaning the ring road was no more. The A2 heads to the south of Gillingham, where the A289 Medway Northern Bypass joins it. The A278 departs from the A2 to head south to meet the M2, whereas the A2 goes through Rainham and Newington before entering green country for the first time since Three Crutches.

The road meets the A249, now dualled, to the west of Sittingbourne, before going through the town itself (bypassing the now-pedestrianised High Street, as it does in Rochester and Chatham). Leaving Sittingbourne, the A2 continues east in an almost straight line, for it is still along the alignment of Watling Street at this point. At Ospringe it passes the Maison Dieu, now a museum of Roman artifacts but originally a wayside hospital commissioned by Henry III in 1234. The A2 continues to Faversham, but does not (and never has) go through the town, but almost bypasses it to the south. A mile (1.6 km) later, it arrives at Brenley Corner, junction 7 of the M2.

Brenley Corner To Dover Docks

At Brenley Corner, the A2 once again becomes a primary dual carriageway. Straight after the interchange, Dunkirk

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