The Santa Fe Trail is one of 16 historic routes in the National Trails System. Others include the Iditarod, Lewis and Clark, and Continental Divide trails. Take a look at this nifty booklet, Trails for America, published in 1966. (The SF trail is on p. 86 of the booklet, p. 88 of the PDF.)
Drawing of caravan arrival from the excellent www.santafetrail.org website.