the post is talking about the US, where the roads are absolutely massive and dangerous because they are built to Interstate standards and then posted for 40MPH

the post is talking about the US, where the roads are absolutely massive and dangerous because they are built to Interstate standards and then posted for 40MPH and have left turns everywhere. the road diet is pretty common in the US where roads are extremely wide and plagued by speeding, and where the local political will allows realigning priorities towards safety. https://en.wikipedia.org/wiki/Road_diet https://en.wikipedia.org/wiki/Road_diet