MEMBER for Blacktown, John Robertson says western Sydney commuters could be slogged an extra $45 a week when the tolls on the M4 and WestConnex are switched on early next year. “Families travelling from Blacktown can’t afford an extra $45 a week in tolls,” Mr Robertson said. “The people of Blacktown shouldn’t be forced to pay to drive on roads that have already been paid for over a decade ago,” the former Opposition Leader said. A toll at $45 a week could cost a household an