Prep work starts for vast HS2 box slide under A46

Balfour Beatty Vinci joint venture has complete construction of a 14,500-tonne box structure designed to allow HS2 trains beneath the A46 Kenilworth Bypass in Warwickshire.
Engineers worked around the clock successfully lifted into place 120 gigantic beams forming its top of the box structure in just 14 days.
The milestone paves the way for the vast box to be jacked 64m under the dual carriageway using a system designed by French contractor Fressynet.The box will jacked across on a guiding raft