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Marijuana driving limits up for vote in Colorado

11:06 AM, Apr 2, 2013   |    comments
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DENVER (AP) - Colorado lawmakers are trying for a fourth time to set driving limits for marijuana users. 

A bill scheduled for House debate Tuesday would say drivers should be considered impaired if their blood contains more than 5 nanograms of THC per milliliter. 

THC is the psychoactive ingredient in marijuana. 

The legislature has tried and failed three times to pass a driving-high blood standard. 

This year's version is slightly different. It would allow accused drivers to argue they were sober despite a blood test above the legal threshold. 

Frequent pot users argue their blood limits exceed 5 nanograms even while sober. Driving-high bills have passed the House in previous years, but failed in the Senate. 

Supporters say that marijuana legalization makes the driving-high bill more important. 

(Copyright 2013 by The Associated Press. All Rights Reserved.)

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