Niagara Tunnel Wonderful

I just thought I'd keep this up once in a blue moon, since it is so boring.  After pouring extra billions and virtually replacing the machine, it is going swimmingly at 13 m a day, with no overbreak.  Since they had all this extra money, they shouldn't have cut the corners and made the curves sharper, when they thought they actually had a budget.  Now, this looks cheap!  :)  and it cuts the water flow and pressure head (total energy).