DENVER—Colorado drunk driving laws are about to get tougher in 2014.

Starting on Jan. 1, any Colorado driver who refuses a sobriety test will be branded a persistent drunk driver. If they want their driver’s license back under a one-year suspension, they would be required hook a breathalyzer to their car to start it and stay off the road for at least two months.

According to KMGH-TV ( http://tinyurl.com/kkrswe7), there were 25,000 DUI arrests in Colorado in 2012. Of those arrests, more than 7,300 refused to use a breathalyzer or a blood test.

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Information from: KMGH-TV, http://www.thedenverchannel.com