Kaitei-koku no Koutsuu Anzen
Japanese title: 海底国の交通安全
Type: OVA
Source: Other
Episodes: 1
Status: Finished Airing
Aired: 1990
Duration: 14 min
Rating: G - All Ages
Genres: Fantasy
Themes: Educational
Demographics: Kids

A traffic safety anime by Toei that uses components of the folktale Urashima Tarou woven into an underwater city with submarines instead of cars.