# Instruction about road signs and signals

> set of detailed legal regulations about road signs and traffic signals in Polish People's Republic, published in a book format in 1975 by Wydawnictwa Komunikacji i Łączności

**Wikidata**: [Q134139290](https://www.wikidata.org/wiki/Q134139290)  
**Source**: https://4ort.xyz/entity/instruction-about-road-signs-and-signals