Tow Mode
I often tow a trailer for work, and use Waze to go everywhere - but often time saving routes will take me down side streets and laneways that are narrow and difficult to navigate with a trailer. Same would apply for touring with a caravan.
It would be awesome to have a mode that minimizes tight turns, side streets or intersections without traffic lights.

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Ashlee Penrose commented
I second this, the routes Waze takes me on is always so heavy with traffic and it’s so hard to not launch the trailer into the rear of the truck when people want to cut over. The tight u turns when traffic is bad too when it wants to send me another way.
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Paul Bradbury commented
We have a trailer we tow when we go on holiday. It is pretty much table stakes when we are towing that we have a navigation app that understands that