Union representatives underscored that the proposed changes extend beyond public transport staff to affect the broader workforce.
"The livelihood security of millions of workers and their families is being affected," said FNV board member Henri Janssen.
"And in fact, therefore, also of our passengers. Because every worker can face illness, disability, or involuntary unemployment.
Then you must be able to rely on a decent social safety net."
The upcoming September 9 stoppage follows a four-hour nationwide rail strike conducted on June 24.
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FNV announced that additional sector strikes—including ports, waste management, cleaning, metal industry, and construction—are also scheduled for September, with specific dates yet to be released.
