Generally speaking, the longer a project drags on, the bigger the price tag. More money is spent on contracting costs, machinery, staff time, rent and fuel. Inflation takes a toll, as does the need to pay for temporary repairs to existing routes.
Generally speaking, the longer a project drags on, the bigger the price tag. More money is spent on contracting costs, machinery, staff time, rent and fuel. Inflation takes a toll, as does the need to pay for temporary repairs to existing routes.