Redhill–Tonbridge line

The Redhill–Tonbridge line is a railway line in South East England that links Redhill, Surrey (on the Brighton main line) with Tonbridge, Kent (on the South Eastern main line).[1]

Redhill–Tonbridge line
Overview
StatusOperational
OwnerNetwork Rail
LocaleKent
Surrey
South East England
TerminiTonbridge, Kent
Redhill, Surrey
Stations7
Service
TypeSuburban rail, Heavy rail
SystemNational Rail
Operator(s)Southern
Rolling stockClass 377 Electrostar
History
Openedc. 1836
Technical
Line length19 miles 56 chains (31.7 km)
Number of tracks2
Track gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Electrification750 V DC Third rail
Operating speed85 mph (137 km/h)
Route map

(Click to expand)
Redhill–
Tonbridge line
Brighton main line
to London Victoria & London Bridge
 Redhill
North Downs Line
to Guildford
Brighton main line
to Brighton
Quarry line
 Nutfield
M23 Coopers Hill Viaduct
Bletchingley Tunnel
 Godstone
Oxted line
to East Grinstead & South Croydon
Crowhurst Spur (closed 1970s)
Oxted line
to Uckfield & South Croydon
 Edenbridge
 Penshurst
Penshurst Tunnel
 Leigh
River Medway
A21
Tonbridge West Yard
South Eastern main line
to Sevenoaks
 Tonbridge
Hastings line
to Hastings
South Eastern main line
to Ashford International

History

It was originally part of the South Eastern Railway, having been sanctioned by Act of Parliament in 1836 as part of the first railway line from London to Dover. This may explain why the route runs in a remarkably straight line: serving the settlements en route was a secondary consideration. Following the completion in 1868 of the new South Eastern main line, which provided a much more direct route between London and Tonbridge, the Redhill–Tonbridge line was used mainly for local services.

Aircraft landing at London's Croydon Airport in the early 20th century used this line to help with navigation. All the stations along this route had their names in bold white paint on the roof of the station buildings.

British Rail

In the British Rail era, there were through trains from Reading via Redhill (the North Downs Line) to Tonbridge, some of which carried Royal Mail traffic.[2]

The line was electrified with 750 V DC third rail in 1993, and some trains started to run through to London rather than to Reading. The electrification also provided a diversionary route for Eurostar services.

Privatisation era

The service pattern on the line has changed several times since privatisation.

Initially, after privatisation, the stations on the line were managed by the South Eastern franchise holder. The first franchisee, Connex South Eastern, ran services between Three Bridges and Maidstone West (via Gatwick Airport, Redhill, Tonbridge, Paddock Wood and the Medway Valley line), linking Kent with Gatwick Airport.[3] Its successors, South Eastern Trains and later Southeastern, ran services between London Bridge and Tunbridge Wells via East Croydon, Redhill and Tonbridge,[4] while Southern began operating trains between Horsham and Tunbridge Wells via Gatwick Airport, Redhill and Tonbridge.

This service pattern continued until 2008, when Southeastern withdrew its services from the line: the London Bridge–Tunbridge Wells services were transferred to Southern and curtailed at Tonbridge, and Southern took over management of all intermediate stations on the line.[5] At the same time, Southern withdrew all services on the Horsham–Tunbridge Wells route, leaving only the London services (which ran hourly in the off-peak period and half-hourly at peak times). In December 2015, off-peak services were diverted to and from London Victoria (peak services continued to serve London Bridge); however, in May 2018, through London services were withdrawn altogether, leaving the line with just an hourly shuttle between Redhill and Tonbridge.

Route

The railway line starts at Redhill station, where passenger connections are available for both the Brighton main line and the North Downs line.[6]

After branching off the Brighton main line, the tracks immediately take a sharp curve eastwards (passing over the Quarry line, which is inside the Redhill tunnel); however, beyond that the line runs in an almost perfectly straight line all the way to Tonbridge.[6][7] The first station en route is Nutfield,[lower-alpha 1] just over 2 miles east of Redhill and approximately 1 mile (1.6 km) south of Nutfield itself. The line then runs through the 60-chain (1.2 km)-long Bletchingley Tunnel[lower-alpha 2][lower-alpha 3] before reaching Godstone station,[lower-alpha 4] located about 2.5 miles (4.0 km) south of Godstone village.

Continuing east, the line crosses over the East Grinstead branch of the Oxted line.[lower-alpha 5][7] Until the early 1970s there was a direct connection between the two lines known as the Crowhurst Spur,[8] which linked Oxted with Tonbridge, but the spur has since been lifted. Less than 2 miles (3 km) later, the line then also crosses over the Uckfield branch of the Oxted line,[9][7] where it bisects the Edenbridge Tunnel which the Uckfield line runs through. The route then reaches Edenbridge station[lower-alpha 6] – one of two railway stations serving the town of Edenbridge, alongside Edenbridge Town on the Uckfield line.

After Edenbridge, the line reaches the only road level crossing[lower-alpha 7] en route; a 40 mph (64 km/h) speed restriction is in place in the level crossing area.[7] The line then runs through the hamlet of Bough Beech[7] before reaching Penshurst station[lower-alpha 8], actually located in the nearby village of Chiddingstone Causeway and approximately 1.9 miles (3.1 km) north of Penshurst itself. After passing through Penshurst Tunnel[lower-alpha 9] just east of the station, the route then serves Leigh[lower-alpha 10] before joining the South Eastern main line just west of Tonbridge[lower-alpha 11]. At Tonbridge, passenger connections are available for the South Eastern main line, the Hastings line and the Medway Valley line.

The full line is 19 miles 56 chains (31.7 km) long.[6] It is electrified using the third rail system and double-track throughout.[6][7]

Services

All services on the line are operated by Southern using Class 377 Electrostar electric multiple units, with one train per hour shuttling between Redhill and Tonbridge (no through services at either end) seven days a week, increasing to two trains per hour at weekday peak periods. Services take just over 30 minutes end-to-end.[10]

Accidents and incidents
  • On 28 July 1845, a passenger train was run into by a steam locomotive at Penshurst, injuring about 30 people.[11]
  • On 21 January 1846, a bridge over the River Medway collapsed in a flood. The driver of a freight train was killed when he tried to jump clear of the train.[12]
  • On 1 April 1852, a passenger train was derailed at Edenbridge.[13]
  • On 22 December 2019, a landslip between Edenbridge and Godstone caused part of the line to be temporarily closed to traffic.[14] A shuttle train service continued to operate between Tonbridge and Edenbridge, whilst the Edenbridge–Redhill section was served by replacement buses. The line reopened and normal services resumed in March 2020.[15]

Notes
  1. Mileage: 2 mi 7 ch (3.4 km) from Redhill[6]
  2. Mileage: 3 mi 65 ch (6.1 km)–4 mi 45 ch (7.3 km) from Redhill[6]
  3. grid reference TQ340486
  4. Mileage: 5 mi 53 ch (9.1 km) from Redhill[6]
  5. grid reference TQ400480
  6. Mileage: 10 mi 43 ch (17.0 km) from Redhill[6]
  7. Mileage: 11 mi 68 ch (19.1 km) from Redhill[6]
  8. Mileage: 15 mi 43 ch (25.0 km) from Redhill[6]
  9. Mileage: 15 mi 53 ch (25.2 km)–15 mi 57 ch (25.3 km) from Redhill[6]
  10. Mileage: 17 mi 16 ch (27.7 km) from Redhill[6]
  11. Mileage: 19 mi 56 ch (31.7 km) from Redhill[6]

References
  1. Rail Maps - National Rail. Retrieved on 7 March 2009.
  2. Kent Rail https://www.kentrail.org.uk/class_206_tadpole.htm
  3. Flickr https://www.flickr.com/photos/36034969@N08/45267385455
  4. Kent Rail https://www.kentrail.org.uk/class_508.htm
  5. Flickr https://www.flickr.com/photos/tonbridge3582/7161217131/
  6. TRACKatlas of Mainland Britain (3rd ed.). Platform 5. 2017. p. 12, 20. ISBN 978-1909431-26-3.
  7. Tonbridge to Redhill – Hastings DEMU cab ride – 30 September 2017 on YouTube
  8. Southern E-Group article on the Crowhurst Spur
  9. Collins Road Atlas Britain 2008 (Paperback) ISBN 0-00-725047-9
  10. Train Times – Southern Railway
  11. "Accident on the Dover Railway". The Times (18988). London. 29 July 1845. col A, p. 5.
  12. "Fearful and Fatal Accident on the South Eastern Railway". The Times (19139). London. 21 January 1846. col D, p. 5.
  13. "Accident to the Dover Express Train". The Standard (8626). London. 2 April 1852.
  14. "'Significant landslip' between Redhill and Tonbridge disrupts rail services". BBC News online. 28 December 2019. Retrieved 30 January 2020.
  15. "Landslip repairs: Redhill-Tonbridge railway to reopen in March". Network Rail. 22 January 2020. Retrieved 30 January 2020.
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