Diagonal stripes sloping downward right on a barricade or panel mean:

The diagonal stripes on a barricade or vertical panel guide drivers in the direction in which they should pass. Stripes sloping downward and to the right mean the driver should bear to the right. Conversely, stripes sloping downward and to the left mean bear to the left.

Wait, before you go

Ace Your Texas DMV Written Test with our Guaranteed Cheat Sheet