Skip to content
C1Difficulty 2/5

According to DGT, approximately how long can LSD-induced impairment last?

Correct answer

Up to around 10–12 hours, as an approximate indication.

They can last around 10–12 hours. Effects may include distorted perception, hallucinations, anxiety or panic and impaired driving ability. This is an indicative effects duration, not a deadline guaranteeing safe driving afterwards or a substance-elimination or detection time.

Practice more C1 licence questions

A self-check with exam-style questions on Goods transport rules. Free, no signup.

All options

  • They always disappear completely within five minutes.

  • Up to around 10–12 hours, as an approximate indication.

  • LSD cannot cause emotional or perceptual impairment.

Editorial status: editorially approved. This status does not certify legal review. Report a correction

Share this question

Keep studying

Related questions