If two vehicles arrive to a four-way stop at the same time:

In general, vehicles at a four-way stop should proceed in the order that they arrive. However, if two vehicles arrive to the intersection at the same time, the vehicle on the left must yield the right-of-way to the vehicle on the right.

• The vehicle on the left must yield to the vehicle on the right.
• The vehicle on the right must yield to the vehicle on the left.
• Drivers must make hand motions to communicate with each other.
• One driver should proceed without stopping.