Rail workers for the Companhia Paulista de Trens Metropolitanos (CPTM) began a strike on Tuesday, Aug. 4 [1], blocking three major train lines in São Paulo.

The walkout disrupts critical transit infrastructure for thousands of commuters and highlights a growing conflict between labor unions and the state government over the management of public utilities.

The strike specifically targets the private concession of lines 11-Coral, 12-Safira, and 13-Jade [2]. Workers are demanding the revocation of the privatization process, and formal guarantees that current employees will not be fired during the transition to private management.

"Não vamos aceitar demissões," or "We will not accept layoffs," representatives of the CPTM railway workers said [3].

The state government has rejected the premise of the protest. Governor Tarcísio de Freitas said the movement is not a legitimate labor dispute but rather the result of political manipulation intended to harm passengers [4].

According to the governor, the strike is "resultado unicamente de instrumentalização política para prejudicar o passageiro," which translates to "solely the result of political instrumentalization to harm the passenger" [4].

The disruption affects three of the most heavily used lines in the metropolitan system [2]. While the workers maintain the strike is a necessary defense of their livelihoods, the administration continues to push forward with the plan to transfer these lines to the private sector.

"We will not accept layoffs."

This conflict reflects a broader ideological struggle in Brazil regarding the role of the state in public infrastructure. By attempting to privatize the CPTM lines, the São Paulo government seeks to reduce public spending and increase efficiency, while labor unions view these moves as a threat to job stability and public service quality. The outcome of this strike may set a precedent for how other state-run transport assets are handled across the region.