Independent report

Lower Thames Crossing design and costing report

Environmental, planning and engineering constraints that could affect conceptual designs for the Lower Thames Crossing options, and capital cost estimates.

This publication was withdrawn on

This report supports a consultation that has concluded. View the outcome of the consultation.

Documents

Design and costing report (April 2013)

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Design and costing report (April 2013)

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Appendix A

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Details

This report sets out AECOM’s assessment of the engineering feasibility and estimated capital costs of constructing new crossing capacity at each of the 3 location options under consideration, as well as the feasibility and cost for providing a variant to option C (involving enhancement to the A229 between the M2 and M20).

The report documents:

  • the identification of environmental, planning and engineering constraints that could affect conceptual designs
  • the use of preliminary traffic forecasts to develop assumptions for road widths, standards and junction provision
  • the development of conceptual designs
  • the production of cost estimates
Published 21 May 2013