Lower Thames Crossing

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Lower Thames Crossing
Lower Thames Crossing option map.jpg
Location Kent/Essex
Proposer Department for Transport
Status Aspiration
Type road

The Lower Thames Crossing, or Third Thames Crossing, is a proposed new crossing of the Thames estuary linking the county of Kent with the county of Essex through Thurrock, at or east of the existing Dartford Crossing.


In January 2009, the Department for Transport proposed three major options to increase capacity east of London over the Thames to be built downstream of the existing Dartford Crossing and an additional proposal to increase capacity at the Dartford Crossing.[1]

  • Option A: Building an additional road crossing at the current Dartford Crossing in addition to the current crossing.
    • Option A route 14: offers a deep bore tunnel (approx 7 miles) allowing 40% of traffic to avoid the highly congested area covering junctions 2, 1, 31 and 30.
  • Option B: A new road crossing in the Swanscombe Peninsula area, connecting the A2 near Dartford (south) to the A1089 road, north of Tilbury Docks. This option was dropped in 2013 because of the proposed Paramount Park.
  • Option C: A new road crossing connecting the M2/A2 in the south with the M25, which might be linked via a proposed new Thames flood barrier. The route from the north would pass close to or through North Ockendon, South Ockendon, Orsett, Chadwell St Mary, West Tilbury, East Tilbury, across West Tilbury Marshes before it crossed the Thames just to the east of Gravesend and Thurrock. It would join the M2/A2 in the Kent Downs Area of Outstanding Natural Beauty and in the Special Landscape Area. This proposed link is also within the Kent Downs AONB and special landscape area. According to the DfT, this long route would have "considerable environmental impacts".
  • Also: Increased capacity on the current Dartford Crossing at a lower cost. This option did not accommodate the predicted traffic growth in the longer term.

Advocates of the proposal argue that a new crossing is needed to alleviate congestion at the Dartford Crossing.

Currently, there is a ferry service operating between Gravesend and Tilbury,[2] which predominantly carries foot passengers and the occasional light motorcycle, subject to space limitations, only Monday to Friday.[3]


A study in a Lower Thames Crossing providing "relief to east side of the M25 between Kent and Essex" was included in the 1989 white paper Roads for Prosperity.[4]

The Lower Thames Crossing was recommended for further investigation in the 2002 ORBIT Multi-Model Study, which examined orbital transport problems around London.[5][6]

In 2008, Metrotidal Ltd proposed the "Medway-Canvey Island crossing", a £2bn to £4bn combined road and rail tunnel between Medway and Canvey Island that would include a surge-tide barrier and a tidal power plant, which was supported by Kent County Council, Essex County Council, the Thames Gateway South Essex Partnership and the Department for Transport.[7]

Following delays in any proposal being put forward by central government, Essex and Kent County Councils intend to create a joint proposal for the construction of a crossing.[8]

In January 2009, the Department for Transport published its own proposals.[1]

In October 2010, a study commissioned by Kent County Council proposed that the northern end of the crossing should bypass the M25 and continue on to connect to the M11 (and Stansted Airport) directly.[9] This would presumably be an adaptation of Option C.

In October 2012, plans were announced for a major theme park[10] to be built near Swanscombe. Commenting on road and motorway access to the park, Kent County Council highways chief Councillor Brian Sweetland said that he was looking at a significant variation to Option B: "The possibility of a new Thames Crossing at the Swanscombe peninsula must now be taken very seriously".[11]

See also[edit]


  1. ^ a b "Dartford River Crossing Study into Capacity Requirement". Department for Transport. 20 April 2009. Archived from the original (PDF) on 13 May 2010. Retrieved 27 June 2014. 
  2. ^ "Transport – Ferry Services". Thurrock Council. Retrieved 1 October 2009. 
  3. ^ "Gravesend to Tilbury Passenger Ferry". Retrieved 25 May 2011. 
  4. ^ Roads for Prosperity. The Department of Transport. p. Table 2. 
  5. ^ "The Orbit Multi-Modal Study:Developing a long-term sustainable management strategy for the M25" (PDF). Association for European Transport. 2003. Retrieved 1 October 2009. 
  6. ^ "M25 LONDON ORBITAL TRANSPORT STUDY REPORTS". www.gov-news.org. 22 November 2002. Retrieved 1 October 2009. 
  7. ^ "Medway-Canvey Island Thames Crossing, United Kingdom". Road Traffic Technology. Retrieved 1 October 2009. 
  8. ^ "Time for Action on Lower Thames Crossing". Essex County Council. Retrieved 28 August 2009. 
  9. ^ "New bridge over Thames 'should link with M11' in Essex". BBC. 25 October 2010. Retrieved 25 October 2010. 
  10. ^ Webb, Sam (8 October 2012). "Hollywood comes to Kent: Developers unveil plans for £2bn Paramount theme park to rival Disneyland Paris that will create 27,000 jobs". Daily Mail. 
  11. ^ Brian, Sweetland (8 October 2012). "Reaction to £2bn Paramount theme park for Kent". Kent Messenger. 

External links[edit]

Coordinates: 51°28′N 0°18′E / 51.467°N 0.300°E / 51.467; 0.300