This website is for use by legal professionals (lawyers and law practices) only. If the information is used incorrectly, you could risk losing money or your legal rights. If you are a member of the public looking for free advice about your legal problems please visit, or contact our Legal Help advice line on 1300 792 387, Monday to Friday from 8 am to 6 pm. 

If you decide to use or rely on the information or make decisions based on the information in this website (which VLA does not recommend) VLA is not liable to you or any third party in any way for any loss, damage, costs or expenses you or they may suffer or incur as a result.

References for drug driving

Information for staff about drug driving.

Drug driving penalties flowcharts

These flowcharts outline the potential penalties for drivers who are caught drug driving.

Note: the charts differ depending on when the offence happened so be sure to choose the correct one.

Drug drive penalties flowchart – offences after 29 April 2018 (pdf, 479 KB)(opens in a new window)

A flowchart to help navigate potential outcomes for drug driving offences that happen after 29 April 2018.

Drug driving penalties flowchart – offences after January 2017 and before 29 April 2018. (pdf, 458 KB)(opens in a new window)

A flowchart to help navigate potential outcomes for drug driving offences that happen between 1 January 2017 and before 30 April 2018.

Australian Institute of Criminology

The Australian Institute of Criminology is Australia's national research and knowledge centre on crime and justice. The website includes information about drug driving and roadside testing for drugs.

See Australian Institute of Criminology—Drug driving in Australia(opens in a new window).

Lawyers Practice Manual

Legal Online’s Lawyers Practice Manual has information on driving offences, including an overview of legislation, advice on taking instructions, court documents used and the impact of prior offences.


The Law Handbook

Fitzroy Legal Service’s handbook has information pages about drug driving.

See Common driving offences(opens in a new window).

Australian Community Support Organisation—Community Offender Advice and Treatment Service (COATS)

This community support organisation runs programs to assist people who have been in the criminal justice system and who have multiple and complex problems such as a history of substance abuse, mental health issues and homelessness.

See Australian Community Support Organisation (ASCO)—Community Offender Advice and Treatment Service(opens in a new window).

Independent Forensic Consulting

This commercial organisation provides forensic services to legal defence, prosecution and law enforcement agencies with expert opinions about drug testing results.

See Independent Forensic Consulting(opens in a new window).

Motor & traffic law—Victoria

Lexus Advance's Motor & traffic law—Victoria provides detailed commentary and case law about the legislation related to driving, licensing, transport and vehicles in Victoria.

Note: To access content type the brackets and number reference into the search box, for example "[5655.1]"

See Motor & traffic law—Victoria(opens in a new window).

See particularly Part 5—Offences involving alcohol or other drugs [5600](opens in a new window).