I'm a native Californian, but I've lived in the Dallas area since 2006.
I spent the better part of the last fifty years driving in SoCal, and I can tell you this; the state of Texas invests far more in their roads, bridges, and highways than Cali does. Way more - and it shows.
In fact, I've never seen a region with more constant road upgrades and new construction projects, than North Texas.
I moved back to Oklahoma City after living in east Dallas for 12 years. When asked what I miss, the roads come to mind first. Both the streets and the freeways are amazing in Dallas.