Question

an orange and red sign of this shape always means: yield to cross-traffic the vehicle has the right-of-way slow -moving vehicle emergency vehicle ahead

Explanation:

The orange and red triangular sign is a yield sign. A yield sign means that the driver must slow down and be prepared to stop if necessary, to let a vehicle in the intersection or approaching from another roadway pass. In other words, it means to yield to cross - traffic.

Answer:

Yield to cross - traffic