Trucks will be banned from using the far-right lane on the Monash Freeway in a nine-month trial.

The restriction will apply in both directions, between Huntingdale in Mount Waverley and Jacksons Road in Noble Park.

Trucks will be banned from the far-right lane of the Monash Freeway during a nine-month trial. Credit:Michael Clayton-Jones

The trial will determine whether the ban is to become permanent. It will begin on February 5.

Acting Premier Tim Pallas said the trial aimed to improve journey times and safety for all drivers.