"The Joondalup train line is the second busiest heavy rail route in the metropolitan area, with the Mandurah Line experiencing the highest patronage," Mr Nalder said.
"The new carpark at Edgewater will create 560 new car bays for commuters to use and with more than 1,500 passenger boardings at the station each weekday, the extra infrastructure is expected to be in demand."
The Minister said construction of an access ramp, external drainage and other civil works was continuing at the Edgewater site.
"The work schedule in the next few months will focus on installing cladding on the outside of the building, followed by painting and an internal fit-out," he said.
"This will be the latest in a series of public transport projects the State Government will deliver on time and under budget, including the Perth Busport and the Butler rail extension project."