The Gateway is a large, open-air retail, residential, and office complex in Salt Lake City, Utah, United States. It is centered on the historic Union Pacific Depot on the west side of downtown Salt Lake City between 50 North and 200 South streets and between 400 and 500 West streets. Rio Grande Street becomes a one-way street and heads north through the mall. The final leg of the Salt Lake City Marathon goes up Rio Grande Street, and the finish line is adjacent to the Olympic Legacy Fountain.