Original: From north to south , it passes through or near Casper , Wyoming ; Cheyenne , Wyoming ; Fort Collins , Colorado ; Denver , Colorado ; Colorado Springs , Colorado ; Pueblo , Colorado ; Raton , New Mexico ; Las Vegas , New Mexico ; Santa Fe , New Mexico ; Albuquerque , New Mexico ; Socorro , New Mexico ; Truth or Consequences , New Mexico and Las Cruces , New Mexico .
Simplified: Cities in between include Albuquerque , New Mexico ; Santa Fe , New Mexico ; Pueblo , Colorado ; Colorado Springs , Colorado ; Denver , Colorado ; Cheyenne , Wyoming ; and Casper , Wyoming .