What was jack kerouacs famous novel on the road based on?

On the Road is a novel by American writer Jack Kerouac, based on the travels of Kerouac and his friends across the United States. It is considered a defining work of the postwar Beat and Counterculture generations, with its protagonists living life against a backdrop of jazz, poetry, and drug use. The novel, published in 1957, is a roman à clef, with many key figures of the Beat movement, such as William S. Burroughs (Old Bull Lee), Allen Ginsberg (Carlo Marx) and Neal Cassady (Dean Moriarty) represented by characters in the book, including Kerouac himself as the narrator Sal Paradise.