Complex sentence: The highway runs through the UP in two segments as a part of the state trunkline highway system, entering the state at Ironwood and ending at St. Ignace; in between, there is a gap where US 2 re-enters the state of Wisconsin.
Split into simpler sentences: The highway runs through the UP in two segments as a part of the state trunkline highway system, entering the state at Ironwood and ending at St. Ignace. In between, there is a gap where US 2 re-enters the state of Wisconsin.