Not so great for people walking or cycling though. Higher speeds mean more serious and fatal collisions.
Where these modes of transport mix, 20mph is becoming the default choice in western European countries, there is a global declaration on this. If roads feel like they’re made for higher streets: that’s bad infrastructure design.
https://www.fiafoundation.org/news/stockholm-declaration-focuses-on-reducing-urban-speed
I’m 30, same. It’s also much faster to arrange something.