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A woman who lost her 18-year-old son in a crash says graduated licences for young drivers could "prevent another parent" going through what she experienced.
Oliver Pain, 18, died alongside his passenger, Harry Smith, 17, near North Nibley, Gloucestershire, when he crashed his car in 2012.
Becky Pain, Oliver's mum, is now calling for graduated driving licences to be introduced, which would mean young drivers could not carry passengers under the age of 25 until they have been driving for six months, or turn 20.
The Department for Transport told the BBC last week that although it is not considering graduated licences, its THINK! campaign focuses on the safety of male drivers aged 17-24.