Final answer:
When merging onto the freeway, the vehicles already on the freeway have the right of way.
Step-by-step explanation:
When merging onto the freeway, the vehicles already on the freeway have the right of way. This means that the merging vehicle must yield to the vehicles already on the freeway and wait for a safe gap in traffic to merge. It is important for the merging driver to use their turn signal and adjust their speed to match the traffic flow when merging.