The intersection upgrade will improve travel times and safety for the 60,000 vehicles which travel through the intersection each day.
Cross Road and Fullarton Road are both important commuter routes, serving traffic to and from the Mitcham Hills area and the South Eastern Freeway.
Currently there are travel times delays in peak periods.
The upgrade aims to: improve travel times improve safety for all users improve network reliability improve economic productivity.
This project is jointly funded by the Australian and South Australian Governments.