ABC Online | Perth woman given 20 demerit points in less than two hours over long weekend ABC Online A Perth woman has been given 20 demerit points in less than two hours after twice being caught driving while using a mobile phone. Cottesloe police last night tweeted that the 44-year-old from Parkwood was first stopped as she was driving through ... Perth driver racks up 20 demerit points in less than two hours Woman loses 20 demerits in two hours Costly weekend for motorist |