What is the fine-grained topic of the following text: Whilst Mr Burnham, the mayor of Manchester has claimed how efficient this new road will be providing a vital link for the people and businesses of Stockport, Manchester and East Cheshire by making journeys faster and more reliable, he hasn’t mentioned the fact that it has cost the local South Manchester economy tens of millions of pounds over the last three years it’s taken to build due to inefficiencies in traffic management. Only return the topic.
The impact and cost of a new road construction in South Manchester