Solutions to Sydney's worst traffic congestion hot spots will be "crowdsourced" by the NSW government to tap into the widest possible pool of ideas.

The Premier's Innovation Initiative will be launched on Thursday and from next month seek submissions on how to reduce traffic in the worst of the city's choke points.

The NSW government is looking at crowdsourcing to solve the city's congestion problems. Credit:Peter Rae

"We need to think more innovatively about how our existing metropolitan-wide infrastructure could work more efficiently," a fact sheet says.

"Private and community sectors can provide innovative solutions to reduce congestion on hot spots on Sydney's roads."