If you see someone struggling out there with bags and kids, we all should be as travellers, trying to help people get on and off the train safely."
Sydney Trains had more than 1 million passenger journeys a day but "one child's life or injury is one too many".
However, there was no data to suggest some stations were more dangerous for young children than others. Mr Collins said some stations where incidents occurred had the smallest gaps between platforms and trains on the transport network.
Sydney Trains had worked to improve lighting, marked platforms and make announcements at peak travel periods warning of the dangers.
"My view is there is a responsibility that all of us have to make and one of them is having to look after our children as we travel around the network," Mr Collins said.
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