Each road is long enough to house two 3-car sets coupled together.

A maximum of four cars can be coupled together in a single train.

Coaches from different regions could also often find themselves coupled together.

The line had two trains with three cars each, which could be coupled together for higher capacity.

Many studies have demonstrated that the two measures must be coupled together for the best possible outcome.

Any number could be coupled together and all the motors controlled by the driver at the front.

Two such cars coupled together make up a full-length train.

In peak hours, two sets were coupled together to make 6-car trains.

Up to four trainsets can be coupled together into a single train.

Some line 54 services are operated by 2 trams coupled together.