In October 2019, São Paulo Metro received bids from three groups to supply 14 monorail trains and systems including signalling, fibre optic networks, platform screen doors, and maintenance vehicles for Line 17/Gold.

Signalling Consortium, comprising Molinari, Switzerland, and the Brazilian companies TTrans and Bom Sinal, submitted the lowest bid at Reais 1.042bn. The Chinese BYD Skyrail São Paulo group submitted the second-lowest bid at Reais 1.139bn, followed by the CQCT Golden Phoenix Monorail consortium, led by CRRC, China, with Chongqing Industrial Railway Transit Investment and Transvia Constructor, with a price of Reais 1.569bn.

However, Molinari could not demonstrate its experience of providing signalling for driverless trains, and the Signalling Consortium did not have the required net equity of 10% of the proposed value of Reais 982m.

This decision may be subject to a judicial appeal.

São Paulo Metro initially awarded a contract to build the line to Monorail Railroad Consortium (CMI), which included the systems and fleet, but this agreement was unilaterally terminated following continuous delays and a slowdown in the execution of the works.

São Paulo Metro then separated the contracts, awarding Constran the civil works contract in January.

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