If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This note gives guidance on how vehicles, particularly curtain-sider vehicles, meet ADR definitions of closed vehicles.
This guidance was issued on 22 March 2012 and is due for revision in July 2019.