Rail

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Railway Design Components

Classification

• Passenger
• Freight
• Commuter

Destinations or control points

• Cities and towns, growth centres, etc.
• Bridges
• Passes, saddles, etc.
• Stations, sidings, yards, etc.

Alignment

• The factors that affect the alignment are:
• Gauge of the railway line:
  • Broad gauge
  • Standard gauge
  • Meter gauge
  • Narrow gauge

• Topography
  • Flat, undulating, mountainous, etc.

• Geometric standards that depend upon the rail line classification and the related stipulations in respect of loading, speed, comfort, etc.
  • Gradients
  • Curves

• Geological / geotechnical considerations
  • Climate

Transportation
Roads
Bridges
Airports

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