Railroad - Signaling, Safety, Automation

railroad

Table of Contents

Introduction
Cars
- Freight cars
- Passenger cars
  - Brake systems
  - Automatic body tilting
  - Cars for daytime service
  - Cars for overnight travel
Railroad track and roadway
- Location and construction
- Rail
  - Rail fittings
  - Sleepers (crossties)
  - Track maintenance
- Auxiliary plant
  - Bridges
  - Buildings
  - Tunnels
Railroad operations and control
- Communications
  - Radio
  - Computers
- Signaling
  - Types of signals
  - Automated systems
  - Interlocking and routing
- The marshaling yard
Intermodal freight vehicles and systems
- Development
- Operations
- Passenger intermodals
Railroad history
- Source in inland water transport
- Early European railroads
  - The Stockton and Darlington Railway
  - The Liverpool and Manchester Railway
  - Characteristics of British railroads
  - The railroad in continental Europe
- Early American railroads
  - The Baltimore and Ohio Railroad
  - Boston railroads
  - The South Carolina Railroad
- North American railroads in the late 19th and 20th centuries
  - American railroads
    - Expansion into the interior
    - The transcontinental railroad
    - Advances in traction systems
    - Railway company mergers
  - Canadian railroads
Modern railways
- Diesel-electric locomotion and electronic systems
- Growth in developing countries
- High-speed passenger lines
  - Japan
  - Western Europe
  - South Korea, Taiwan, and China
  - North America
- Maglev

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Railroad signals are a form of communication designed to inform the train crew, particularly the engine crew, of track conditions ahead and to tell it how to operate the train. Methods of controlling train operations evolved over many years of trial and error. A common method in the early years was to run trains on a time-interval system; i.e., a train was required to leave a station a certain number of minutes behind an earlier train moving in the same direction. The development of distance-interval systems was a great improvement. In these so-called block systems, a train is prevented from ...(100 of 20134 words)

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