HS2 Access Highways

Ingerop, Jacobs, LDA, Grimshaws, Gall Zeidler




Ingerop, Jacobs, LDA, Grimshaws, Gall Zeidler

Montant des travaux

£965 million


Highway preliminary and detailed design BIM


2017 - ongoing


London-Birmingham - UK

Project overview:

High Speed 2 is a UK government project building a new high-speed railway from London to Birmingham, which will be delivered through seven Main Works Civil Contracts. Rendel in a JV with Ingerop and Jacobs is providing design services for Contract C1, which includes 3.4km Colne Valley Viaduct, 15.6km Chiltern Tunnels and many other structures.


Rendel and Ingerop services:

Rendel`s Highways Design team is responsible for the design of two viaduct abutment accesses, three maintenance accesses, two tunnel portals accesses, five ventilation shaft accesses and realignment of several the existing roads, footpaths and bridleways for contract C1. The work is in two stages – Stage 1 – Scheme Design and Stage 2 – Detail Design. The design of the assets is prepared in BIM Level 2.

• Geometry design of the highways related assets

• Swept path analysis

• Design as BIM Level 2 and production of dynamic 2D drawings

• Pavement design

• Vehicle Road Restraint Systems design

• Road signs and marking design, including Traffic Calming Measures layouts for existing roads

• Road drainage design

• Errant Vehicle Risk Assessments

• Utilities coordination into highway design

• Development of Specifications and Design Reports

• Stakeholders engagement

• Design coordination with other technical and environmental teams

• Traffic Signal Intersection design