Line 18 (São Paulo Metro)

The original plan suggested the construction of four lines, all of them enclosed within the city's limits, although predicting transfer stations to the commuter rail system and the buses.

The southeasternmost station of the system was predicted to be settled near Via Anchieta (and bearing such name), a state road linking São Paulo to Santos passing by the ABC region.

[8] PITU 2025 claimed for the need to a metro branch linking ABC to São Paulo, more specifically employing either a light rail or guided bus technology.

In July 2020, more than a year after the cancelling of the project, Chinese company BYD presented a proposal to the State Secretary of Regional Development, along with the Chairman of the Greater ABC Intermunicipal Dealership, Gabriel Maranhão, Mayor of Rio Grande da Serra, to "rescue" the monorail line.

Positive arguments are the cheaper, faster construction and decreasing the need for resumption; listed setbacks are visual pollution, difficulty to be evacuated in case of emergency, its relative small capacity and incapability to be upgraded.

[18] In downtown São Bernardo do Campo, some real estate owners tried to settle a civil action to change the proposed right-of-way, as it may adversely affect high-end apartment buildings recently erected there, through aesthetic concerns and planned resumptions.