A P-plate driver was recently filmed dangerously tailgating South Australian Opposition Leader David Speirs's car in the Adelaide Hills, while honking excessively and swerving.
The incident, combined with this year's high road toll has prompted Mr Speirs to call on the state government to fund a social media campaign targeting young drivers.
"It was a really concerning incident for a duration of around 15 minutes over the space of 10 kilometres or so," Mr Speris said.
Mr Speirs said it was a "miracle" no one was hurt.
"We had a P-plater blare the horn incessantly, tailgate us and at some points we felt that they were trying to swerve to the side of the vehicle and attempt to run us off the road," he said.
"It was a shocking reminder that some young drivers have a long way to go when it comes to respect and safety on our roads.
The incident has been reported to police.
Mr Speirs said young drivers needed to be more aware of the consequences of risky and dangerous driving.
"We need to get the message out to our young drivers that they need to obey the road rules, they need to be sensible and they need to get home to their friends and family at the end of the day," he said.
The calls come after a horror weekend on SA roads, which saw three lives lost, taking the road toll for the year so far to 16.
"We're suggesting a social media campaign which can get the message about the dangers of driving carelessly and without due care direct to young people on their phones," Mr Speirs said.
Mr Speirs said there was a need to target P-platers in the campaign, given they were over-represented in road accidents.
SA Police statistics show 11 of the 71 fatalities on SA roads last year were P-platers.
Last month, Chaffey MP Tim Whetstone had to step down from the shadow road safety portfolio after he revealed he had recently lost his drivers licence for three months.
The new shadow minister for road safety, Vincent Tarzia, criticised the government for not releasing a "Road Safety Action Plan".
"This important plan outlines what actions authorities will take to reduce serious road trauma and was supposed to be released last year — but concerningly, it's nowhere to be found," he said.
But Premier Peter Malinauskas said the government has a range of policies that it is implementing as part of its road safety strategy.
"We've got a number of initiatives that we're pursuing in respect to road safety, particularly around motorcycle riders," he said.
"We've also go reforms we're committed to introducing around high-speed and high-powered vehicles."