Winding road

Where you'll see it

On any public road especially in mountainous areas

What it means

To warn of a series of curves ahead. In the case of W209 the first curve is to the left and in the case of W208 the first bend is to the right

What you must do

Slow down e3nough to take the curves safely or stop within the distance you can see. Remember that there could be any number of curves after the first one without further warning

Source: Signs manual W208, TW208, W209, TW209