Roadless areas of wilderness aren't exactly roadless. And the Roadless Rule, a federal set of regulations regarding wilderness areas of public lands, doesn't preclude roads in those places, nor does it bar off-roading as some have claimed. It does, however, protect critical watersheds we use to get clean drinking water, protect critical habitat for wildlife, reduce human-started wildfires on public lands, and maintain ecosystems that are still somewhat untouched by mankind.
The Roadless Rule does bar developers of mineral, housing, and oil and gas corporations from ravaging those landscapes to their hearts' content, which is why the Trump administration's Department of the Interior, Department of Agriculture, Forest Service, and others associated public land organizations within the government have attacked the Roadless Rule and proposed that it be rescinded. Unfortunately for the administration that's been so hell-bent on attacking public lands, it still had to open that proposal up for public comment, and the public showed up.