[1] He oversaw the completion of the Moffat Tunnel and worked for four years on the City Beautiful project of Mayor Robert Walter Speer.

[6] William Evans served as secretary and later president of the Denver Tramway Company.

[8] Travel by tramway was essential within the city because most people did not have horses and carriages.

[6] He oversaw the construction of the Denver Tramway headquarters at 14th and Arapahoe Streets, on the site of John Evan's family home.

[10] The tunnel, which provided railroad service between Denver and the Western Slope, was completed in 1927.

[12] Between 1909 and 1913, Evans worked on Mayor Robert Walter Speer's plan for a City Beautiful, which involved creating parks throughout Denver.

[8] Cornelia and William had four children, John, Josephine, Margaret, and Katherine Evans.

[14] After the death of his father John Evans on July 3, 1897, William transferred the deed to the Byers-Evans House to his wife.