Cannabis-impaired driving research

(a) Cannabis-Impaired driving data (1) In general The Secretary shall collect and, as appropriate, share with the Secretary of Health and Human Services, data relating to cannabis-impaired driving, or a combination of cannabis and another substance, including through the collection of crash data specific to crashes involving drivers with— (A) THC in their system; or (B) a combination of THC and another substance in their system. (2) National roadside survey (A) In general Not later than 1 year after the date of enactment of this Act, the Administrator shall initiate a National Roadside Survey to collect data on drivers with THC in their system. (B) Report Not later than 3 years after the date of enactment of this Act, the Secretary shall submit to the Committees on Commerce, Science, and Transportation, Environment and Public Works, and Health, Education, Labor, and Pensions of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report summarizing the data acquired, and conclusions drawn, from the National Roadside Survey required under subparagraph (A). (b) Research on risks of cannabis-Impaired driving (1) Study required (A) In general Not later than 3 years after the date of enactment of this Act, the Secretary shall carry out a study to evaluate and quantify the risks of cannabis-impaired driving. (B) Requirements The study required under subparagraph (A) shall analyze— (i) whether there is an increased likelihood of crashing a motor vehicle after recent cannabis use; (ii) the effect of cannabis on driving behavior; (iii) whether there is a correlation between THC level (as tested in oral fluids or through any other test designated by the Secretary in consultation with the Secretary of Health and Human Services) and level of impairment; (iv) whether the current Standard Field Sobriety Test developed by the National Highway Traffic Safety Administration accurately identifies cannabis impairment and impairment due to cannabis and other substance use; (v) whether driving behavior changes depending on frequency of cannabis use; (vi) whether there are any measurable increased risks associated with using cannabis together with another substance; (vii) whether there is a measurable effect of cannabis use by drivers on pedestrian safety; and (viii) any other data necessary to improve safe driving outcomes, as determined by the Secretary. (2) Report Not later than 3 years after the date of enactment of this Act, and annually thereafter until the date on which the study required under paragraph (1) is complete, the Secretary shall submit to the Committees on Commerce, Science, and Transportation, Environment and Public Works, and Health, Education, Labor, and Pensions of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report summarizing the data acquired, and conclusions drawn, from the study required under paragraph (1).