1. The most common railway track gauge used internationally, measuring 1,435 millimeters (4 feet 8.5 inches) between the inner edges of the rails
Most European railways use the international standard gauge for compatibility.
A maioria das ferrovias europeias utiliza a bitola internacional para compatibilidade.
2. A internationally standardized measurement or specification used across different countries and railway systems
The railway company adopted the international standard gauge to facilitate cross-border transport.
A empresa ferroviária adotou a bitola internacional para facilitar o transporte transfronteiriço.