[noir_lord]

That standard is incredible, I had a good flick through it just in awe of the level of specification that goes into signage, I love that type of stuff, it's a hidden world.

[Symbiote]

The British standards for road signs and markings are also online, and with much better typography :-)

https://www.gov.uk/government/publications/traffic-signs-man... (chapter 7 is best, for kerning rules, and making and face the right way).