"Road Diets have the potential to improve safety, provide operational benefits, & increase the quality of life for all road users."
Check out this FHWA report w/ 24 case studies from around the US. We don't need to reinvent the wheel for cheap safety benefits.
Four-lane undivided highways have a history of increased crashes as traffic volumes rise, due to motorists sharing the inside lane for
higher speed through movements and left turns. Additionally, as active transportation increases, communities desire more livable spaces...