Complex sentence: Visitors staying overnight must stay in one of twenty campsites within ten campground areas scattered along the road and some of its spurs, and are required to obtain a backcountry permit and pay a $30 fee for the full stay, up to 14 consecutive nights.
Split into simpler sentences: Visitors staying overnight must stay in one of twenty campsites within ten campground areas scattered along the road and some of its spurs. All overnight stays require a backcountry permit and a $30 fee for the full stay, up to 14 consecutive nights.