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Bailey Yard is the world’s largest railroad classification yard. Personnel there sort, service and repair locomotives and cars headed all across North America. Owned and operated by the Union Pacific Railroad (UP), Bailey Yard is located in North Platte, Nebraska. The yard is named after former Union Pacific president Edd H. Bailey. == Facilities== Bailey Yard is halfway between Denver and Omaha.〔 It covers a total expanse of and is over 8 miles (13 km) in length and wide. The yard has 200 separate tracks totaling 315 miles (507 km) of track, 985 switches, 766 turnouts, and 17 receiving and 16 departure tracks.〔(【引用サイトリンク】url=http://www.uprr.com/aboutup/facilities/bailey/about.shtml )〕 Union Pacific employs more than 2,600 people in North Platte,〔 most of whom are responsible for the day-to-day operations of Bailey Yard. An average of 139 trains and over 14,000 railroad cars pass through Bailey Yard every day,〔 and the yard sorts approximately 3,000 cars daily using the yard’s two humps. The eastbound hump is a -tall mound and the westbound hump is high. These are used to sort four cars a minute into one of the 114 "bowl" tracks, 49 tracks for the westbound trains and 65 for eastbound. The bowl tracks are used to form trains headed for destinations across North America, including the East, West and Gulf coasts of the United States, and Canadian and Mexican borders.〔 The yard also includes 3 locomotive fueling and servicing centers called eastbound run thru, westbound run thru, and the service track that handles more than 8,500 locomotives per month, a locomotive repair shop that can repair 750 locomotives monthly,〔 and a car repair facility that handles nearly 50 cars daily. The car repair shop replaces 10,000 pairs of wheels each year. The yard features an in-motion wheel defect detector developed by Union Pacific that uses ultrasound technology to inspect each wheel. It is the only such detector in the world.〔 UP has also developed a method for changing wheels in the field on empty westbound coal trains, which enables three workers to use a hydraulic jack under the couplers between two cars and exchange the trucks.〔 This has reduced the time needed to replace trucks from up to 12 days to 8–12 minutes.〔 Locomotives can be serviced in a NASCAR-like pit stop facility called a Run-Thru staffed by four different crafts—an electrician, machinist, fireman oiler, and a carmen.〔 Locomotives are serviced in 45 minutes without detaching them from their trains. The cars go through the car department to get fixed and the locomotives go to the diesel shop.〔(【引用サイトリンク】 publisher = Modern Marvels )〕 Because of the enormous amount of products that pass through Bailey Yard, Union Pacific describes the yard as an “economic barometer of America.”〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bailey Yard」の詳細全文を読む スポンサード リンク
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