Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · BILL · 114th Congress · H.R. 22 (EAH) — 114 HR 22 EAH: Surface Transportation Reauthorization and Reform Act of 2015 · Sec. 4007

Sec. 4007. Marijuana-impaired driving

347 words·~2 min read·/bill/114/hr/22/eah/section-4007

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

The Secretary, in consultation with the heads of other Federal agencies as appropriate, shall conduct a study on marijuana-impaired driving. In conducting the study, the Secretary shall examine, at a minimum, the following: Methods to detect marijuana-impaired driving, including devices capable of measuring marijuana levels in motor vehicle operators. A review of impairment standard research for driving under the influence of marijuana. Methods to differentiate the cause of a driving impairment between alcohol and marijuana.
State-based policies on marijuana-impaired driving. The role and extent of marijuana impairment in motor vehicle accidents. Not later than 1 year after the date of enactment of this Act, the Secretary, in cooperation with other Federal agencies as appropriate, shall submit to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report on the results of the study. The report shall include, at a minimum, the following:
The findings of the Secretary based on the study, including, at a minimum, the following: An assessment of methodologies and technologies for measuring driver impairment resulting from the use of marijuana, including the use of marijuana in combination with alcohol. A description and assessment of the role of marijuana as a causal factor in traffic crashes and the extent of the problem of marijuana-impaired driving. A description and assessment of current State laws relating to marijuana-impaired driving.
A determination whether an impairment standard for drivers under the influence of marijuana is feasible and could reduce vehicle accidents and save lives. The recommendations of the Secretary based on the study, including, at a minimum, the following: Effective and efficient methods for training law enforcement personnel, including drug recognition experts, to detect or measure the level of impairment of a motor vehicle operator who is under the influence of marijuana by the use of technology or otherwise.
If feasible, an impairment standard for driving under the influence of marijuana. Methodologies for increased data collection regarding the prevalence and effects of marijuana-impaired driving. In this section, the term marijuana includes all substances containing tetrahydrocannabinol.
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.