Complex sentence: Puerto Rico Highway 102 is a main highway in southwestern Puerto Rico, it begins at PR-2 north of central Mayagüez and ends at PR-2, this time in Sabana Grande.
Split into simpler sentences: Puerto Rico Highway 102 is a main highway in southwestern Puerto Rico. It begins at PR-2 north of central Mayagüez and ends at PR-2, this time in Sabana Grande.