I use Waze but that part of it actually bugs me, because it's hard to tell if it's telling me to go on some side route for a real reason (avoiding a big acciden

I use Waze but that part of it actually bugs me, because it's hard to tell if it's telling me to go on some side route for a real reason (avoiding a big accident) or just because it's guessing it will be 90 seconds faster.