within 75 years, adding at least 500,000 residents. The first development, known as the Daybreak Community, has substantial portions already completed but continues construction. It will focus on transit-oriented development (it already has service by TRAX light rail and will also feature a ski resort in the Oquirrh Mountains and a university campus). Interstate 15 runs north to south through the middle-eastern portion of the Valley and Interstate 80 runs east to west in the northern quarter of the Valley from Parley's Canyon into Tooele County to the west (where it cuts across a small portion of the Great Salt Lake). The Interstate 215 belt route, State Route 154 (Bangerter Highway), State Route 201 (21st South Freeway), and State Route 85 (Mountain View Corridor) are also major transportation routes. The Utah Transit Authority operates an extensive bus system across the Wasatch Front, including the Salt Lake Valley, in addition to three light rail lines (known as TRAX) in the Valley. A commuter rail line known as FrontRunner runs north to Pleasant View in Weber County and south to Provo in Utah County. See also Mormon Trail Salt Lake County, Utah References Geography of Salt Lake City Valleys of Utah Wasatch Front Landforms of Salt Lake County, Utah Valleys of the Great Basin