Complex sentence: The Sacramento Northern (SN) was an electrified interurban railroad that extended 183 miles from Oakland to Chico, California, with two branches, one to Woodland-Colusa, and the other to Oroville.
Split into simpler sentences: The Sacramento Northern (SN) was an electrified interurban railroad in California that extended 183 miles from Oakland north to Chico. There were two branches, one to Woodland-Colusa, and the other to Oroville.