The first one sounds like a legit part of a patch. It's really, really frustrating trying to get a metro line across a river and it ends up looking like a bunch of spaghetti.
My city: Aachen. Population: 13K.
Overall view of the city. Oil Paradise, a oil industry district with Glade Park to the west. Started the city from the east with Applegate District and Manor Heights. Industry Drive was a farming district, but slowly became generic industry, as people became more educated. Birdsong Square is the most populated district and enjoys the most amenities.
What map is that?
Anyways, concerning your traffic situation, if you're already having traffic issues at ~13k people you might have to rearrange things a bit. I think your main problem is that you have only one major dedicated route, the highway, that suddenly kind of just stops and immediately goes into the oil zone. So a possible solution might be you'll have to bulldoze and rennovate the area so the highway is kept mainly separate from the industry, and have several exits that lead into that highway, rather than have it directly connected into the main road. That way, 1) the majority of traffic doesn't have to stop at the same traffic light for the most part; 2) you spread out the trucks.
Basically something like the following:
A and C would be the exits for industry (though you can have more, of course, as needed), while B would be for the other non-industrial stuff for Glad Park to take some of that load off.
Granted, I don't know how well this is gonna work per se, but I think at the least it should alleviate the flow of traffic from that one light stop. Generally speaking it's a good idea to have your main, big roads have as few stops as possible and to not end them so abruptly unless you're sure thre isn't going to be a lot of traffic.
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Anyways, now for my spam - first person camera is awesome. I get lost in my cities sometimes and have no idea WTH I am. City growth has been slowing down significantly because I'm starting to run out of space, but that's cool, I'm at ~110k people and virtually no traffic problems, I'm actually surprised my city runs relatively smoothly even though it's my first real one. Guess the advice I read about elsewhere online about road and transportation design worked.
Anyways, screenshot spam:
Driving into one of the secondary downtown areas that consists of the Las Bragas, Santa Nadecoa, and Rancho de Santa Gajara districts
A little cafe and gas station near one of the harbors and the El Nazim Lighthouse
The El Nazim Lighthouse, which is not near my Cloud District, actually
University of Santa Xwedodah, first person view, of the university center/administrative building and the statue of
Clavicus Vile some important person
Wayshrine from my previous screenshots. Even though its surroundings have changed drastically over the years, it has remained the same as always.
Mosque for Kebabs in my Rancho de Santa Gajara district. There's another mosque in the Mound View district, though I'll probably separate it into its own district soon
Picnic tables far from the main city in the more rural areas
Buddha statue standing at the entrance of the land belonging to the Araragi Temple of Xwedodah
View of most of the city from Stonehenge. The Temple of Xwedodah is in the foreground.
And, finally, entire city and all districts. Other than the areas in the north which I want to leave as semi-rural, I don't have many options to expand left, other than the south, which will be where I'm focusing on next.
