Complex sentence: It heads under Maple Lake Road at mile marker 16.61 before passing through Kinnelon again between mileposts 16.69 and 16.99, where the route enters West Milford in Passaic County at the crossing of the Pequannock River.
Split into simpler sentences: It heads under Maple Lake Road before passing through Kinnelon again. Upon leaving Kinnelon, the route enters West Milford in Passaic County at the crossing of the Pequannock River.