Limehouse Link Tunnel
East London, UK · 1989–1993 (opened May 1993) · £293 million (at time of construction, equivalent to £50,500 per foot at 2011 prices)
The judgement call
Account-gated at launchThe Limehouse Link was a key part of the regeneration of the London Docklands, providing vital road access. - Its high cost per meter highlighted the challenges and expense of urban tunnelling projects. - The project demonstrated advanced cut-and-cover and immersed tube tunnelling techniques in a constrained environment. - Lessons were learned regarding cost control and the integration of large-scale infrastructure within existing urban fabric.
Key engineering challenges
Constructing a major underground road tunnel through a complex urban environment with challenging ground conditions. - Integrating the tunnel into the wider Docklands road network and minimizing disruption to existing infrastructure. - Managing significant costs, making it one of the most expensive road schemes in Britain at the time. - Dealing with a high water table and potential for ground movement during tunnelling.
Project facts
- Client / owner
- London Docklands Development Corporation (LDDC)
- Lead contractor
- Balfour Beatty, Costain, Tarmac (consortium)
- Lead designers
- N/A (Integrated design and build)
- Project type
- new build
- Scale
- 1.1 miles (1.8 km) dual-bore road tunnel.
- Disciplines
- civil; structural; geotechnical; tunnelling; mechanical; electrical; environmental
- Standards & frameworks
- N/A (pre-dating widespread use of NEC); British Standards; CDM Regulations
Sources: Wikipedia (https://en.wikipedia.org/wiki/Limehouse_Link_tunnel) - UCL Bartlett (https://www.ucl.ac.uk/bartlett/publications/2011/nov/limehouse-link) - Know Your London (https://knowyourlondon.wordpress.com/2018/06/13/limehouse-link-tunnel/) - The Independent (https://www.the-independent.com/news/uk/politics/docklands-pounds-450m-road-tunnel-should-not-have-been-built-1586620.html)