Traffic routes

Key messages

By law:

Questions to ask

When you plan a traffic route, your risk assessment should include answers to these questions:


Hazards along a route may include:

To avoid these hazards:


A steep gradient can affect:

Some vehicles can become unstable on slopes. Examples include:

For road tanker loading and unloading, a maximum gradient of 1 in 30 is recommended to make sure the vehicle moves as little as possible, and help to contain any spillages.

Steep slopes can also make loads less stable, especially if the loads are stacked or if they are unstable anyway (for example, wire coils or reels, barrels).

Take care that loads moved on slopes cannot move dangerously.

Even where vehicles can safely use sloping surfaces, avoid slopes steeper than 1 in 10.


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