A more differentiated reporting
Using Waze is a great thing. However, sometimes you would like to alert fellow Wazers but you can't find the right report.
Thus, we would need i.e. an automatic differentiation of alert types depending if your are driving through the city or on a highway. Should be easily doable due to GPS information. Furthermore, a wider differentiation is especially true b/c some of the reports just don't fit to the situation.