When it comes to teen drivers, which states have the best, which have the worst, and how do Idaho teen drivers compare? The worst teen drivers come from Montana, with Missouri being the second worst, and Wyoming rounding out the bottom three. Are Idaho Teen Drivers Good or Bad Drivers? Looking above, places with more open space and faster speed limits, like Montana and Wyoming, lead to worse teen drivers. 6 Mistakes Idaho Teen Drivers Make At The Gas Pump Don't let your teen drivers make these mistakes at the pump!