

Which is correct pronunciation…
https://dictionary.cambridge.org/dictionary/english/ensign
A street sign is not pronounced sin.
I think it’s best at this point to call the American version American rather than English, cause it’s kind of doing it’s own thing, but if you call it English. The standard should be based off the English dictionary.
The article talks in MPH. Here in the UK speed limit is 70mph. I’m assuming 80 in the US is KPH?