It’s been three years since a North Wales man was involved in a crash while under the influence of marijuana and cocaine. The 57-year-old man will now pay the price for his actions on August 22nd, 2010 on Valley Forge Road in Towamencin Township. John Heffernan was sentenced 3 to 23 months in jail. A Pottstown woman suffered serious injuries as a result of the multi-vehicle crash. A judge denied a Heffernan’s request for house arrest.