There are no signs of an end to the dispute between Satawu and the Passenger Rail Association of South Africa, the union said on Wednesday.
Train commuters will have to wait until Monday for Metrorail trains as one of the transport unions had not signed a deal with Parsa by Thursday night.
Train commuters will be left stranded on Monday due to a nation-wide strike by transport unions, the Passenger Rail Agency of SA said on Monday.