# The Drug Driving (Specified Limits) (Scotland) Regulations 2019, Regulation 2: Specified controlled drugs and specified limits for the purposes of section 5A of the Road Traffic Act 1988


The table below specifies the controlled drugs and, in each case, the limit in blood for the purposes of the offence in section 5A of the Road Traffic Act 1988 (driving or being in charge of a motor vehicle with concentration of specified controlled drug above specified limit).
Table
Controlled drug
Limit (microgrammes per litre of blood)
Amphetamine
250
Benzoylecgonine
50
Clonazepam
50
Cocaine
10
Delta-9-Tetrahydrocannabinol
2
Diazepam
550
Flunitrazepam
300
Ketamine
20
Lorazepam
100
Lysergic Acid Diethylamide
1
Methadone
500
Methylamphetamine
10
Methylenedioxymethamphetamine
10
6-Monoacetylmorphine
5
Morphine
80
Oxazepam
300
Temazepam
1000

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Source: https://www.legislation.gov.uk/sdsi/2019/9780111040478/regulation/2 (the official version)
Page: https://openlegislation.uk/draft-drug-driving-specified-limits-scotland-regulations-2019/regulation-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.