Starting on Jan. 1, drivers who refuse sobriety tests will be labeled 'persistent drunk drivers'
DENVER - Colorado drunk driving laws are about to get tougher heading into 2014.
Starting on Jan. 1, any Colorado driver who refuses a sobriety test will be branded a "persistent drunk driver."
Currently, if a driver refuses to take a blood test or breathalyzer to determine their blood alcohol content, they are treated as a drunk driver.
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