Complex sentence: UTA TRAX is a two-line urban light rail mass transit system operated by the Utah Transit Authority, serving portions of Utah's Salt Lake Valley, including Salt Lake City, South Salt Lake, Murray, Midvale and Sandy.
Split into simpler sentences: UTA TRAX is a two-line urban light rail mass transit system operated by the Utah Transit Authority, serving portions of Utah's Salt Lake Valley. Communities presently served by the service include Salt Lake City, South Salt Lake, Murray, Midvale and Sandy.