Which Way To Go

Transport law, news & explainers

Independent Australian transport journalism and plain-English reference guides built from primary sources.

Law & Duties

  • What is the Executive Due Diligence Duty?

    An executive of a legal entity with a heavy-vehicle safety duty must exercise due diligence to ensure the entity complies with that duty.

  • What is the Primary Duty under the HVNL?

    Primary duty requires each party in the Chain of Responsibility to ensure, so far as is reasonably practicable, the safety of its transport activities and to avoid causing or encouraging another person…

  • What is the Heavy Vehicle Industry Master Code?

    The 2026 Master Code is a registered industry code providing authoritative guidance on heavy-vehicle hazards, risks, risk assessment and risk controls.

  • What is Chain of Responsibility?

    Chain of Responsibility extends heavy-vehicle safety responsibility beyond the driver to businesses and people whose transport activities can influence safety.

  • What does reasonably practicable mean?

    Reasonably practicable is the test used to determine what a Chain of Responsibility party can reasonably be expected to do to eliminate or minimise safety risks.

  • What is the Heavy Vehicle National Law?

    The Heavy Vehicle National Law is the national regulatory framework for most heavy vehicles over 4.5 tonnes GVM operating in participating Australian jurisdictions.