But, vitally, they didn't want to deal with all the politics of the routeing. Large infrastructure projects are always in large part down to politics, potential

But, vitally, they didn't want to deal with all the politics of the routeing. Large infrastructure projects are always in large part down to politics, potentially to their detriment (in this case, the business case being weakened by higher construction costs and slower end-to-end journeys leading to less keen private investors).