
1 

(1) These Regulations may be cited as the Drug Driving (Specified Limits) (England and Wales) Regulations 2014 and come into force on 2nd March 2015.
(2) These Regulations extend to England and Wales.
2 
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.

Table
Controlled drug Limit (microgrammes per litre of blood)
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
Signed by authority of the Secretary of State for Transport
Robert Goodwill
Parliamentary Under Secretary of State
Department for Transport
24th October 2014