Defect detectors

An Amtrak train en route from Milwaukee to Chicago on Canadian Pacific’s double-track main line hurtles by a metal cabin and some trackside apparatus. Over the radio, a stilted voice intones “CP detector, milepost five seven point six. Main track: two. Total axles: one six. No defects. Temperature: five three degrees. Detector out.” A moment […]

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Introducing the horn section

Leslie and Nathan may sound like a dull couple from the ‘burbs, but they’re actually the first chairs in railroading’s horn section. The diesel locomotive horn section, that is. Many of today’s train-watchers recognize a railroad by the sound of its diesels’ horns. It’s only natural since sound is a strong memory-jogging sense, second only […]

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Mountain railroading terminology

Ruling Grade: The maximum meaningful grade on a line; the grade that limits train tonnage. Traditionally, a ruling grade was the grade up which the standard road locomotive assigned to that division could just stagger with a maximum-tonnage train. This grade may not have been the steepest on the division, however. There may have been […]

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Rack and cable railways

Virtually all the railways in the world employ the same system for moving the vehicles that travel over them: Power is applied to some or all of the wheels that support and guide the vehicle along the rails. Adhesion between the wheels and running rails then allows the vehicle to move along the track, often […]

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Railroad’s traffic control systems

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Traffic control systems Running a safe operation is not as simple as you might think. Every train must have authority to occupy the main track before it can begin moving. There are several types of authorities, but usually only one type is in effect on any given piece of track. Maintenance people must also have […]

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Trackage and haulage rights

Because shippers’ distribution patterns are rarely congruent with any one rail carrier, railroads have developed two traditional methods of extending their reach over each others’ lines. The first is the joint rate and route. Two railroads, by agreement, establish one rate from an origin on the first to a destination on the second. One of […]

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The history of Baltimore & Ohio’s Shepherd Branch

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Returning to Benning Yard, CSX local B701 makes its way slowly north on the historic Shepherd Industrial Track, near Anacostia Park in Washington, D.C. Mike Schaller The Baltimore & Ohio was the first railroad to serve Washington, D.C., completing a branch from its main line at Relay, Md., in August 1835. To reach markets south […]

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Summer tours and western travel

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The end of the 19th century marked the beginning of a conservation movement in America. Naturalists and environmentalists lobbied the United States government to set aside vast areas of wilderness in the American West as national parks. Growing public awareness and support for the idea prompted Congress to pass the National Park Service Act, which […]

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Amtrak’s beginnings

Amtrak Chicago-Los Angeles Super Chief June 1971

Today you can ride across the United States aboard long-distance Amtrak trains such as the Lake Shore Limited, Silver Star, California Zephyr, or Texas Eagle. The dining cars serve tasty, regional cuisine and the double-deck Sightseer Lounge cars offer a superb platform for viewing America. However, 30 years ago passenger trains in the United States […]

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