This network will open in two phases. The first 13.9km, and its 20 stations, is scheduled to open on December 25.
An opening ceremony has been held at a new depot and control centre for the CBD and South East Light Rail route in Sydney.
A supplier is expected to be awarded the contract in around May 2019 with a two year design and development process to follow.
Luxtram has inaugurated the second phase of its network, opening three new tram stops in Luxembourg City.
The feasibility of a monorail system to Henri Coandă International Airport in Bucharest is to be assessed as part of an updated study on improved rail connectivity.
"We have won against skepticism, against the principle, the problems of bureaucracy, technical difficulties."
North-South line - also known as Line 52 - is an idea that dates back to the 1960s.
New light rail systems are part of the country's wider infrastructure development programme that has been accelerated since 2014, when Indonesia stepped in to replace original hosts Vietnam who withdrew for economic reasons.
The milestone comes 18 months after the French manufacturer received the order from Caen la mer for the trams, which will operate on all three of the city's lines.
The agreement, which begins in July 2019, now also includes tram maintenance and builds on the operator's success since being awarded the contract in 2009.