“Stroad” is a word we coined in 2013 to explain those dangerous, multi-laned thoroughfares you encounter in nearly every city, town, and suburb in America. They’re what happens when a street (a place where people interact with businesses and residences, and where wealth is produced) gets combined with a road (a high-speed route between productive places).

They are enormously expensive to build and, ultimately, financially unproductive. They’re also very dangerous. This video (revamped from an older version) explains the problem with stroads and how to solve it: