Rainbow Special

The Rainbow Special was a "fast train" operating over the Missouri Pacific between Kansas City, Missouri, and Hot Springs, Arkansas,^[1][2] (later extended to Little Rock, Arkansas). The service was introduced in 1921.^[3]

Rainbow Special

Overview
Service type	Inter-city rail
Status	Discontinued
Locale	South Central United States
First service	1921
Former operator(s)	Missouri Pacific Railroad
Route
Termini	Kansas City, Missouri Little Rock, Arkansas
Technical
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

Newspaper ad for the train, showing the schedule. 1922