Denver Union Station is the main railway station and central transportation hub in Denver, Colorado. It is located at 17th and Wynkoop Streets in the present-day LoDo district and includes the historic terminal building, a train shed, a 22-gate underground bus facility, and light rail station. A station was first opened on the site on June 1, 1881, but burnt down in 1894. The current structure was erected in two stages, with an enlarged central portion completed in 1914.

In 2012, the station underwent a major renovation transforming it into the centerpiece of a new transit-oriented mixed-use development built on the site's former railyards. The station house reopened in the summer of 2014, hosting the 112-room Crawford Hotel, several restaurants and retailers, and a train hall.

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