As cities expand, roads usually expand as well, but they can't grow indefinitely. In fact, building more roads doesn’t always solve anything. Instead, these 10 companies are working to make roads smarter. Eventually, the smarter roads become, the fewer roads cities will need. To see my full list, please click through to Daily Disruptor: https://www.disruptordaily.com/10-companies-making-traffic-smarter-2018/.