Final answer:
The shaded areas and areas with low traffic on the road are more likely to freeze first in cold weather.
Step-by-step explanation:
The parts of the road that are more likely to freeze first in cold weather are the shaded areas and areas with low traffic. When the sun shines on the road, it warms up and melts any ice or snow. However, shaded areas receive less sunlight and stay colder for longer periods of time, allowing ice to form. Similarly, areas with low traffic are less likely to be warmed up by the heat generated by vehicles, making them more prone to freezing.