OMAHA, NEBRASKA--(Marketwire - Sept. 5, 2012) - TransCanada Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) today announced it has submitted a Supplemental Environmental Report (SER) to the Nebraska Department of Environmental Quality (NDEQ) for the preferred alternative route for the...

The horizontal directional drilling (HDD) the Northern Courier Project completed under the Athabasca River in Alberta, Canada, turned out to be the longest 42-inch-wide HDD completed in North America to date at 2,195 metres (7,200 feet), in order to install the pipeline 70 metres below the riverbed.