It is often called a subway, although there are no underground rails in the city.

Cross River Rail is a proposed new underground rail line in Brisbane, Australia.

Almost four years ago, two high-tech test trains began riding the underground rails on the A and No. 2 lines, giving the Transit Authority a chance to try out some of its most ambitious plans.

The underground rail system (called "metrô", short for "metropolitano" and in plates in English is called "subway"), with three complete lines.

This system represents the combination of a modern city-centre underground rail with a pre-existing set of commuter rail lines.

The RER is an integration of a modern city-centre underground rail and a pre-existing set of commuter rail lines.

Clay was mined from within the caverns by pick and shovel, then transferred by underground rail to a brickworks lower in the Mount Morgan Mine site.

Resilient rubber pads were installed beneath nearly all elevated rails and many underground rails, to quiet rumbling by reducing the vibration transferred to rails and trestles.

Where other Australian cities in earlier decades invested in underground rail, Brisbane, Queensland, in an attempt to clear up city streets, invested in tunnels for its bus system.

The underground rail system (called "metrô", short for "metropolitano"), with three completed and two partially completed lines.