Bombardier Transport unveiled the new Montreal metro cars Monday, which will be rolling out next spring on the STM lines.

About 600 people were present for the unveiling at the Bombardier factory in La Pocatière  about 150 kilometres northeast of Quebec City — including Montreal Mayor Denis Coderre, Quebec Premier Pauline Marois and hundreds of Bombardier employees.

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The new wagons feature three-pronged poles and more standing room for passengers. (Radio-Canada)

The new wagons have more standing room, bigger windows, and it will be possible for passengers to walk from one train car to the next while the metro is in motion.

Each car will also be equipped with four security cameras, and a ventilation system that is stronger than the current metro trains.

The STM ordered 468 new cars from the Bombardier-Alstom consortium at a cost of $1.2 billion.

The new metros are expected to begin going into service in the spring of 2014.