(AP) - Police across California are scrambling to keep up after voters approved legalizing recreational pot in November.
They are increasing training to spot drug-impaired drivers. And some agencies are testing portable saliva tests that proponents say could one day be widely used to screen for the recent use of six drugs.
Police were set to demonstrate how they conduct roadside drugged-driving tests near the state Capitol on Wednesday.
Their task is made more difficult because there is no presumed level of intoxication in California, unlike the 0.08 percent blood level for alcohol. Drugs also affect everyone differently.
The California Police Chiefs Association says saliva tests are gaining acceptance after a judge accepted the results last year.
Other experts say it's best to train law enforcement officers to spot impairment.
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