1940s movie about Cartography by Chevrolet. A "Jam Handy" production. I kid you not. That's the last slide.
8 and one half minutes of too-fast animation, terrible road conditions, watching people drive around in 1940s Batman's car all to make maps that only have a passing connection to reality.
Also, you can find it in its entirety here: https://www.planetizen.com/node/57278