The £600 million Kent Roads contract, which is a two-stage design and build contract for the part of the route from the A2/M2 corridor to 1km south of the southern tunnel entrance, with strategic utilities and environmental interfaces.

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It comprises of:

• 6km of new road
• A multi-level junction to connect the A2 to the Lower Thames Crossing
• New and upgraded structures, embankments, cuttings and retaining walls
• Green bridges will be provided at Thong Lane over Lower Thames Crossing and over the A2 at Brewers Road and Thong Lane, to combine green spaces with walking, cycling and vehicle access and provide better connectivity for the landscape, ecology and habitats. Brewers Road will also cater for horse riders.
• Green bridges over the A2 at Brewers Road and Thong Lane for vehicles, walkers, cyclists, and horse riders (Brewers Road only)
• The diversion of utilities including strategic gas mains, electricity cables, water, and telecoms
• Ecological works for species protection and habitat enhancement along the route
• Archaeology carefully and sensitively excavated and recorded

The £1.3 billion Roads North of the Thames contract, is also a two-stage design and build contract delivering the route from 1km north of the northern tunnel entrance to Junction 29 of the M25. New link roads are required to connect the route with the M25, A13 and A1089.

It comprises of:

• 16km of new road
• Over 30 proposed new and/or upgraded structures, embankments, cuttings and retaining walls, under bridges to take the route through the A13 and to join the M25
• Viaducts at Tilbury over Cole’s Reservoirs and at Mardyke across flood plain
• Connecting the new road to the M25 at Junction 29
• The diversion of utilities including gas mains and electric cables and towers
• Ecological works for species protection and habitat enhancement along the route
• Archaeology carefully and sensitively excavated and recorded

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Full release:

https://highwaysengland.co.uk/our-work/lower-thames-crossing/latest-news/partners-sought-to-build-1-9-billion-lower-thames-crossing-roads/