It is the first conversion of an exclusive bus rapid transit system into a light rail transit in North America.
A team including STV and AECOM played a critical part in the design and construction of the line.
Rideau Transit Group said it could only meet the deadline if it didn't meet certain contract requirements.
During this phase of the project, the trains will undergo various tests, including dynamic testing at speeds of approximately 50 mph up to approximately 62 mph.
In this Q&A, Doucet talks about how he was chosen for the job, the process of recording announcements and what he thinks about hearing his own voice on the train.
Will use turnstiles for major stations and replace Transpo personnel with computer help stations that will offer basic transit tips and let riders speak to an attendant.