Definition

1. Noun:
   • A standard width for railroad tracks: The specific, uniform distance between the inner sides of the two rails on a railway line. The most common standard gauge is 1,435 mm (approximately 4 feet 8.5 inches).
   • A railway line built with this width: A railroad track or system that uses this specific, standardized width between its rails.

Examples of Usage

• Noun:
  • Most high-speed rail networks in Europe and Asia operate on standard gauge.
  • The engineer checked that the new section of track conformed to standard gauge.
  • Converting the old narrow-gauge line to standard gauge was a major engineering project.

Advanced Usage

• "To be built to standard gauge": Describes a railway line constructed with the standard width between rails.
  • The new cross-border railway was built to standard gauge to ensure interoperability.
• "Standard gauge railway": A complete railway system using the standard track width.
  • The country invested in a national standard gauge railway to improve freight efficiency.

Variants and Related Words

• Narrow gauge (n): A railroad track with a width less than the standard gauge.
  • The historic mountain railway uses a narrow gauge.
• Broad gauge (n): A railroad track with a width greater than the standard gauge.
  • Some older railway systems in India and Spain were built as broad gauge.
• Gauge (n): The distance between the two rails of a railroad track.
  • The gauge of the track must be precisely maintained for safety.

Synonyms

• Normal gauge: Another term for the most commonly used track width.
• International gauge: Emphasizes the widespread, cross-border adoption of this measurement.

Related Phrases

• Standard gauge network: Refers to the interconnected system of standard-width railway lines.
  • Freight trains can travel seamlessly across the European standard gauge network.
• Break of gauge: The point where railway lines of different widths meet, requiring cargo or passengers to transfer.
  • The break of gauge at the border caused significant delays.

Noun

1. railroad track having the standard width of 56.5 inches