braddk writes "Looks like traffic helicopters will slowly become unnecessary in Denver, as an ongoing construction project implements online traffic data. The traffic is monitored via "vehicle counters" placed at the onramps and in between interchanges. Although only a 10 mile section is currently monitored, plans are to add more sensors as they complete sections of the larger project. They also have a lighter version for mobile phone users. Click here to see the Flash version and to check out the current traffic in Denver. Now I can check whether I really want to head to work in the morning." Kinda like that project in Finland.