The most remote point in the lower 48 states is in which national park?

Here is the question :

THE MOST REMOTE POINT IN THE LOWER 48 STATES IS IN WHICH NATIONAL PARK?

Here is the option for the question :

Yellowstone
Yosemite
Olympic
Joshua Tree

The Answer:

And, the answer for the the question is :

Yellowstone

Explanation:

[STC0011919]. The farthest place from any highways in the 48 contiguous states is located deep in Yellowstone National Park’s southeast corner (in northwest Wyoming). The absence of roads, vehicles, and settlements for at least 20 miles in any direction is unprecedented in the contiguous United States. Thorofare Ranger Station is the most isolated cabin in the National Park System (excluding Alaska) and the only other establishment besides campgrounds.