They use a different gauge, one the French use.
I've met a different gauge of girl from yours.
However, the Tynemouth company tracks were of a different gauge, so through running was impossible.
In addition to a different gauge, this series was equipped with an automatic coupling system.
A different gauge of their effect comes more informally, from a Census Bureau office pool by those involved in the measurement.
Break-of-gauge a location where two railroad lines of different gauge meet.
Because the development of railways pre-dated Federation, each state developed its own system with a different gauge.
On top of everything, our railways have a different gauge from those found elsewhere in the European Union.
Even the same stitch produced in two different ways may produce a different gauge.
The result being that each line might be a different gauge, even if it would have been more useful to have a through service.