Complex sentence: From Amos, the highway extends 182 km (113 miles) to Matagami, where the road continues northwards as "Route de la Baie James" (James Bay Road).
Split into simpler sentences: From Amos, the highway extends 182 km (113 miles) to Matagami. At Matagami, the road continues northwards as "Route de la Baie James" (James Bay Road).