"I was surprised that I got the opportunity at the younger age that I did … it's been the best thing. I'm really proud of it."
"I had come from an office job where I wore a skirt and heels and daily make up and I thought, 'How am I going to fit into this world?'"Ms Sempf said.
"Women can't be what they can't see,"Ms Currey said.
"You never get tired of them … it's a beautiful journey we love coming into Brisbane at about 9am."
"I think a lot of people think we just sit up the front and press some buttons and it drives itself because there's no steering wheel, but every day is a challenge,"she said.
"A proud moment was when my eight-year-old niece recently told me that she wanted to be a train driver one day like me."