Cold one on open road could end in Montana Associated Press April 10, 2005 HELENA, Mont. -- The joke goes that some Montana motorists measure distances driven by how many beers they can down along the way. That's changing. Lawmakers passed an open-container ban Friday, making Montana one of the last states to outlaw drinking while driving. The House approved the bill 76-21 and sent it to Gov. Brian Schweitzer, who has said he will sign it. It would take effect Oct. 1. The delay is designed to let Montanans get used to the prohibition, which until now had been...