Spiral Highway summary: You are reading Spiral Highway manga, one of the most popular manga covering in Action, Martial arts, Mecha, Supernatural genres, written by Brale Studios at MangaBuddy, a top manga site to offering for free. Spiral Highway has 42 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Spiral Highway to your bookmark. In 1956 a giant mech appeared on the streets of Japan, changing the course of history as we know it. Today, a street cleaner - Jean Hurlant, after failing to enroll in the mech-pilot academy, stumbled upon something that can give his dreams a second chance, but not in the way he expected.