On the map, the little river road is the only road that is normally open even in the winter. Option (b) is the correct answer.
The Sugarland Visitor Center is located in the Smoky Mountains National Park, and the little river road runs across it.
Due to weather conditions and other factors, the following are all closed in the winter;
Therefore, the little river is not closed in winter, kindly follow the figure given below for better understanding.
For more information about the routes of the map, refer below
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