Final answer:
At the end of a freeway on-ramp, it's important to match the speed of the traffic on the expressway, adjusting to the current conditions for a safe merge.
Step-by-step explanation:
When reaching the end of a freeway on-ramp, you should be traveling at a speed that is as close as possible to the speed of traffic. The objective is to match the flow of vehicles on the expressway to ensure a smooth and safe merge. Since traffic conditions and speed limits can vary, it's important not to have a fixed speed such as 30 miles per hour or 50 miles per hour in mind, but rather, adjust to the current traffic speed while being mindful of the posted speed limit. This practice facilitates a seamless transition onto the expressway and is crucial for both safety and traffic efficiency.