Which lens is my "usual choice" depends on the camera. Whether I call my photos 'street photography' or 'walking about photos' or whatever..
With Leica M, it's usually 35 or 50mm, evenly split.
With Leica CL, it's usually 43 or 28mm, with some bias to the 43.
With Hasselblad 500CM, it's Distagon 50mm.
Then again, I often wander with a wider FoV or a tighter FoV and shoot the same subjects. That depends on my state of mind and what I'm looking for at a given moment.