West Mackay two-vehicle crash blocks southbound lanes on Nebo Road

A two-vehicle crash involving an infant has blocked southbound lanes on the Bruce Highway in West Mackay

Two lanes are blocked as emergency services respond to a two-vehicle crash on the Bruce Highway in West Mackay.

A police spokesman said the crash happened at the intersection of Bridge Road and Nebo Road about 4pm.

The spokesman said the vehicles blocked both both southbound lanes.

Queensland Ambulance Service and Queensland Fire and Emergency Service crews are on scene. Picture: Matthew Forrest

Queensland Ambulance Service and Queensland Fire and Emergency Service crews are on scene.

Reports indicate one person was encapsulated in their vehicle but a QAS spokeswoman said everyone was now out of their cars.

She said a woman in her 30s was being treated for a head injuring while two others were being assessed for neck pain. Picture: Matthew Forrest

The spokeswoman said three people were being assessed at the scene including an infant who appears uninjured.

She said a woman in her 30s was being treated for a head injuring while two others were being assessed for neck pain.

She said all four were in a stable condition.