The construction comes as the theme park resort embarks on a multi-year plan for new attractions and amenities, including a new "Coco"-themed ride and Avatar destination at Disney California Adventure.
The new parking structure and transportation will be built on the east side of the Disneyland resort, on a part of what is currently an employee parking lot.
The new area will eventually have 6,000 parking spaces - a little more than half the size of the Mickey and Friends parking garage - and a pedestrian bridge over Harbor Boulevard.
It's not clear when this work will be complete.
The Walt Disney Co. is the parent company of this station.