United States, 39.76, -98.5WikimediaGreen, Victor Hugo1940The Negro Motorist Green-Book, also known as the Negro Traveller's Green-Book, was an essential guide for Black travelers between 1936 and 1966. This yearly publication, created by postal employee Victor Hugo Green, helped readers avoid sundown towns and locate safe lodging, gas stops, and eateries.Front cover of 1940 edition of The Negro Motorist Green-book.image/jpeghttps://creativecommons.org/publicdomain/mark/1.0/Segregation--United StatesThe Negro Motorist Green-BookStillImage