Winter is the real test here. Worked on lidar perception for a bit and falling snow throws returns everywhere, plus once the lane lines are under slush everyone just drives in the ruts the car ahead made. Curious how they handle those unofficial lanes.
Did SFDs for a couple of secondary cities and the number that always wrecked the diagram was emptying frequency. Everyone claims their pit gets desludged, then you find out it's once a decade.
Did stream restoration for a few years and the thing that stuck with me is you can put the habitat back and the species still don't return. Some of them just have nowhere left to come from.