My brother gave me an old Nikon DSLR camera he had, but I don't use it for road photography. It doesn't permit viewing the scene on its viewscreen, only the small viewfinder, so that negates it for my shooting-while-driving endeavors.
Is there a setting for what
Nikon calls "Live View"? Honestly, I have to look up many of the features online to get an idea what they do, and read feedback on when that setting change is desirable. The drawback to that kind of view is that it usually wears down batteries faster.
I bought a Canon EOS R last year, as the price dropped significantly. It's amazing what you can do with it, but honestly, it gets to a point where I have to block-out features so they don't override your desired settings. Fortunately, Canon allows all of that kind of customization, but it took me a few weeks to set it up how I'd like it. Those touch screens are easy to use, but also easy to override accidentally...it's a good thing there's an easy Lock button!
The 24-105mm RF kit lens is about all I need for road and travel photography, but the 100-400mm zoom is nice for a few hard-to-reach shots. A rotating polarizer is a must.
I still have two 50mm f/1.8 prime lenses (EF and FD), though each needs an adaptor for the RF mount. The EF 50mm was a great road lens but the crop-factor yields a wider angle than I desire. The FD version is all-manual, but that's an advantage when the autofocus can't find your desired point (f/8-11 and tweak the focus just closer to infinity, and you're set).