Complex sentence: There is an equipment room on the south end of the northbound platform and a short, one-car length platform is in the tunnel just north of the southbound platform after a gap of about one or two car lengths.
Split into simpler sentences: There is an equipment room on the south end of the northbound platform. Additionally, a short, one-car length platform is in the tunnel just north of the southbound platform after a gap of about one or two car lengths.