Lower Thames Crossing
Proposed route crossing the River Thames / From Wikipedia, the free encyclopedia
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The Lower Thames Crossing is a proposed road crossing of the Thames estuary downstream of the Dartford Crossing that links the counties of Kent and Essex, and its proposed approaches. If built it would pass through the districts of Thurrock and Gravesham, supplementing the Dartford route. The approximately 14.3-mile (23.0 km) route is being assessed by the Planning Inspectorate.[1]
Location | Kent/Thurrock/Havering/Essex |
---|---|
Proposer | Department for Transport |
Project website | National Highways - Lower Thames Crossing |
Status | Proposed |
Type | Road |
Cost estimate | £9 billion |
Start date | 2026 |
Completion date | 2031 |
First proposed in the late 2000s, the crossing is designed to relieve the pressure on the existing A282 Dartford Crossing.[2] The proposed route would connect the M25 motorway and A13 north of the river to the M2 motorway south of the river.[3] If built, the crossing would have the longest road tunnel in the UK at 2.6 miles (4.2 km).[4] The road number A122 has been identified for the proposed road.[5]
The crossing is estimated to cost approximately £9 billion and would take about six years to build following the granting of planning permission.[6] A planning application was submitted in 2020, and withdrawn. A new planning application was submitted in November 2022; the planning process was expected to take 18 months,[1] but this was extended due to the July 2024 general election.[7]