| 8th and Blair Line (1912) - Assumed Removed | 
 
 | 8th and Blair Line (1912) - Potentially Present | 
 
 | 8th and Blair Line (1912) - Removed | 
 
 | College Crest Line (1910) - Assumed Removed | 
 
 | College Crest Line (1910) - Potentially Present | 
 
 | College Crest Line (1910) - Present | 
 
 | College Crest Line (1910) - Removed | 
 
 | Eugene and College Hill Line (1891) - Assumed Removed | 
 
 | Eugene and College Hill Line (1891) - Potentially Present | 
 
 | Eugene and College Hill Line (1891) - Present | 
 
 | Eugene and College Hill Line (1891) - Removed | 
 
 | Oregon Electric Railway (1912) - Potentially Present | 
 
 | Oregon Electric Railway (1912) - Present | 
 
 | Shared Line (1891-1900, 1907-1927) - Assumed Removed | 
 
 | Shared Line (1891-1900, 1907-1927) - Potentially Present | 
 
 | Springfield Line (1910) - Assumed Removed | 
 
 | Springfield Line (1910) - Potentially Present | 
 
 | Springfield Line (1910) - Present | 
 
 | Springfield Line (1910) - Removed | 
 
 | University Line/Fairmount Loop (1907/1909) - Assumed Removed | 
 
 | University Line/Fairmount Loop (1907/1909) - Potentially Present | 
 
 | University Line/Fairmount Loop (1907/1909) - Present | 
 
 | University Line/Fairmount Loop (1907/1909) - Removed | 
 
 | West 11th Avenue Extension (1913) - Potentially Present | 
 
 | West 11th Avenue Extension (1913) - Removed |