Indiana has requested $71.4 million in American Recovery and Reinvestment Act (ARRA) funds to improve the congested Norfolk Southern rail line that connects Chicago to Detroit. The Indiana Dept. of Transportation has proposed upgrading eight locations between Porter and the Illinois state line that would reduce delay time by 61% and save 752 gallons of fuel each week. � The application says the proposal "addresses the single most delay-prone intercity rail passenger corridor in the country, doing so in a way that provides both stand-alone congestion relief benefits as well as a path towards development of the lane as a
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.