[9] Engineering surveys for the geometric control of the casting of the viaduct segments, as well as the erection of the spans, were handled by the joint venture of Freyssinet (part of Soletanche Freyssinet, through its parent company Vinci), VSL, and Rizzani de Eccher.

[12] Planners expect the route to serve more than 160,000 passengers daily upon launch, increasing to 635,000 by 2030 and 800,000 by 2040.

All stations along the route are expected to accommodate the disabled, with automatic ticket vending machines, telephone booths, restrooms, subway doors and information bulletins accessible to the handicapped and visually impaired.

On 28 January 2019, MAUR Director of Project Management Unit Dương Hữu Hòa stated that as of December 2018, construction progress of Line 1 had reached 62%, below the target of 65%.

[19] The first three stations—Bến Thành, Opera House, and Ba Son—are underground, while the remainder are on elevated track.