Chilliwack RCMP said driver was going more than twice the speed limit down Prest Road. Listen to this articleChilliwack RCMP caught a speeding driver going more than double the speed limit down Prest Road on Saturday. Officers clocked the driver at 142 km/hr in a 60 km/hr zone, according to RCMP. "On Sept 20, Chilliwack RCMP stopped a grey car speeding down Prest Road," said the release. At 142 km/hr in a 60 km/hr zone that's more than double the speed limit.