road diet
n.— «The Road Diet. “Road dieting” is a new term applied to “skinnying up” patients (streets) into leaner, more productive members of society.» —by Dan Burden, Peter Lagerwey Road Diets: Fixing the Big Roads , 1999. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...