By Kassondra Cloos kassondra.cloos@gazette.com -The legalization of marijuana in Colorado brought with it a "new era" of impaired driving, the Colorado State Patrol said Thursday. Of more than 5,500 drug- and alcohol-related tickets served to impaired drivers in 2014, 354 of them involved only marijuana. CSP released statewide data late Thursday; no county or city breakdown was available. Overall, 18.5 percent of citations for driving under the influence, or DUI, and driving under the influence of drugs, DUID, involved marijuana. More than 1,000 pot-induced citations were issued, which included 674 where marijuana was not the only factor contributing to impairment. Anyone suspected to be driving while impaired can opt for a blood test, said trooper Josh