'Fed up' NSW Labor MP quits
Mr Gibson says the party can still win the next election if it focuses on public transport.abc.net.au
"It's up to the Labor Party whether they pursue those ideals," he said.
"I've talked about public transport for probably 20 years. Free public transport: it's nothing new, it's in many cities of the world today, it'd be a winner here."
A colleague of Mr Gibson, Wollongong MP Noreen Hay, says he will be missed.
"I think Paul has been a great contribution here in the parliament," she said.
The former rugby league first grade player had been threatening to stand as an independent if pushed to resign.
The Nationals leader Andrew Stoner wants to know why he is apparently going quietly.