Truck crossing

Where you'll see it

On any road

What it means

To warn that heavy vehicles regularly cross or join the road from the left or right

What you must do

Look out for trucks that could force you to slow down. Slow down and look out for trucks that want to cross or join the road. Also look out for anything spilt or dropped on the road by the trucks like gravel, sand or water that could affect the handling of your vehicle

Source: Signs manual W344, TW344, W345, TW345