Marathon completed the second phase of its Cornerstone Pipeline to close out September with a bang.

Over the last two years, Marathon has been using tanker trucks to ship condensate — a mixture of light hydrocarbon liquids, which have been separated from hydrocarbon gases, produced from the Utica and Marcellus shale regions — to Canton from a processing plant operated by MarkWest Energy Partners in Cadiz, Ohio. However, that 120-mile round trip is ending with the completion of this pipeline.

According to Farm and Dairy, the first 42 miles from Canton to Cadiz is composed of 16-inch diameter epoxy-coated steel pipe and the second section, running from East Sparta to Canton is eight miles lone and built with eight-inch pipe. The pipeline runs 4 feet underground and 40 feet under major rivers and major highways.

Marathon spent an estimated $250 million with 550 workers on the pipeline, but the total price tag will be close to half a billion dollars once all of the pipeline -related projects are completed as well.

Learn more: Farm and Dairy > Marathon finishes Cornerstone Pipeline