I realized I made my town sound like an urban hellscape above. This is not a bad town, they try very hard and it's one of the country's best for cycling. It's also not a bad intersection. It's just large and complicated. I looked up the city traffic planning report. The city's data is seeing about 500 crashes a year city wide. This intersection is way down their list to worry about. Traffic is correctly controlled. The accident rate is normal, per their definition. The ones at the top of the list are the retail area at the town's eastern freeway exit, plausible, and the artery-intersection between the high school and Intel, which I wouldn't have guessed, but I wouldn't since I avoid it at rush hours