
Chain of Responsibility and On-Board Mass: What Changes for Fleet Managers on 1 August 2026
If you manage a heavy vehicle fleet — whether for a transport operator, a waste contractor, or a council depot — you’ve probably heard that the Heavy Vehicle National Law (HVNL) is changing. What’s less clear to a lot of fleet managers is what that actually means day-to-day, and why mass management sits so close to the centre of it.




