Here's the issue with this: the live-traffic component of google maps, waze, etc. is very much a network effect. You get a lot of traffic info by measuring the

Here's the issue with this: the live-traffic component of google maps, waze, etc. is very much a network effect. You get a lot of traffic info by measuring the speeds and stalls of your users. This creates the classic chicken-and-egg problem: need users to get data; need data to get users.