Planning Bill

The Minister might not wish to have the data which seem to be flying towards him at this hour of night. When he writes on Crossrail, will he explain what is meant by an extension and, in this instance, what Crossrail is? In lay terms, an extension to Crossrail could mean something very significant and more or less amounting to a new railway line. But that is because we have been talking over the years about extensions to Crossrail in perhaps a looser way than is meant here and it would be helpful to understand the detail.