Ranūi resident Jamie Deane said she was kicked off a bus for breastfeeding her two-month-old daughter.

An Auckland mum says she was forced to get off a bus for breastfeeding her two-month-old baby.

Jamie Deane said she was catching a bus from Henderson to Massey in West Auckland on Friday about 4.30pm.

Her daughter began to cry when they reached Don Buck Rd so she started breastfeeding her, she said.

SUPPLIED NZ Bus general manager Claire Neville said the allegations would be investigated (file photo).

A passenger went up to the driver and complained, Deane said.

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Shortly after, the bus driver stopped the bus on Makora Rd, approached Deane and asked her to get off the bus, she said.

DANIELLE CLENT/STUFF Jamie Deane said it was sad that no-one on the bus defended her after the bus driver told her to get off.

When she asked why, he said it was because she was breastfeeding.

"He said 'you can't be breastfeeding on a bus. That's just wrong'," the Rānui resident said.

"I was so angry. I was fully covered and had a cloth over me. You couldn't see any skin."

The 24-year-old said she was shocked to be treated that way for feeding her baby.

"A lot of women around here are getting abused because of breastfeeding in public. I just don't see what the point is.

"It's just stupid how people are so offended by breastfeeding."

There were a number of other people on the bus but nobody said anything to defend her, she said.

"I was going to break down in tears I was so embarrassed," she said.

"Nobody said anything which is sad."

Deane said she was forced to walk 20 minutes to her friend's house with a grumpy baby in scorching heat.

Earlier that morning, Deane said she had caught the train from south Auckland and four young girls had also abused her for breastfeeding.

She said she was now too scared to breastfeed her daughter in public out of fear she would be attacked again.

NZ Bus operated the bus service.

General manager Claire Neville said the incident had not been reported to the company but it would be investigating the allegations.

She said the bus company did not have any regulations around women breastfeeding on buses.

Auckland Transport (AT) would also investigate the allegations, with NZ Bus.

"We strive for our services and facilities to be family-friendly," AT metro service delivery manager Stacey Van Der Putten said.

"AT does not have specific policy about breastfeeding on public transport, but we will be reinforcing with all our operators that we strongly support a woman's right to breastfeed on public transport or in any of our facilities."