Vienna convention signs are usually avoiding conveying information via text. Other than stop sign, for historic reasons I guess. Text might be present, but it’s usually supplementary to the sign itself, and doesn’t do anything by its own.
Our “do not enter” looks like this
The thick line on the left covers up part of the bike, making the sign overall harder to read.
Also, the red border on the 20 does make sense, as it’s a speed prohibition on going over 20.
Are your “do not enter” signs just the word ENTER, but with a red circle border? 😂 I’m kidding.
Vienna convention signs are usually avoiding conveying information via text. Other than stop sign, for historic reasons I guess. Text might be present, but it’s usually supplementary to the sign itself, and doesn’t do anything by its own.
Our “do not enter” looks like this