Complex sentence: One segment of it began at US-131 (now M-113), 4 miles north of Walton Junction, east to Fife Lake on what is now M-186, and went over to M-66.
Split into simpler sentences: One segment of it began at US 131 (now M-113), 4 miles north of Walton Junction. It ran east to Fife Lake on what is now M-186, and went over to M-66.