Complex sentence: The Newton B. Drury Scenic Parkway is the long two lane road through Prairie Creek Redwoods State Park in Humboldt County, California, which was completed in 1993, honoring his efforts in the creation of Redwood National and State Parks.
Split into simpler sentences: The Newton B. Drury Scenic Parkway is the long two lane road through Prairie Creek Redwoods State Park in Humboldt County, California, which was completed in 1993. The Parkway was named to honor Mr. Drury's efforts in the creation of Redwood National and State Parks.