As Japan faces an ever-increasing number of elderly drivers, authorities want new safety systems to help prevent accidents from cars travelling in the wrong direction towards oncoming traffic.

Add articles to your saved list and come back to them any time. There are few places in Melbourne where the divide between city and country looks so stark as while driving along Yan Yean Road.

"There are signs [that say] 'wrong way, go back,' all that sort of thing, but it can be very difficult if you're impaired." He said drivers from other states may not be familiar with local roads ...