A petition protesting the end of the Roe 8 project has received almost 7,000 signatures and will be the focus of a protest against the state government's plan to scrap it.

The change.org petition said continuing Roe 8 will ensure the prosperity of WA communities, families and business.

A petition calling for Roe 8 to be built has received 7,000 signatures so far. Credit:Main Roads

"Workers in the Southern Suburbs will all benefit," the petition stated.

An update on the petition urged people to join a protest group in Bibra Lake on Friday evening and stated Melville Mayor Russell Aubrey and Cockburn councillor Steve Portelli will be available on behalf of the Build Roe 8 Now team.