sentences:  Preliminary work began in May 2019, with completion estimated by June 2021.In the mid-1990s a freeway, referred to as SR 475 (with the intent of being renamed I-475) was proposed as an outer beltway around Knoxville, running north of the city between I-75/I-40 near Farragut, and I-40 near Sevierville.A number of studies were conducted on the proposed route, but the entire project was cancelled on June 25, 2010.