IAG has warned that plans to build a bridge over the busy M25 motorway – one of the busiest in Europe – as part of the expansion of Heathrow airport could ground the project.
In its submission to a government consultation document, the airline group warned that there is no detailed risk and cost analysis of the plans to build the runway over the motorway.
IAG estimates bridging the M25, close to the M4 junction, would cost £2-3bn on top of “Heathrow’s already over-inflated £17bn bill for…














