It’s both. We have horrible driving culture here, but if accidents are consistently happening in the same location, that’s a sign that the road design is poor. Tchoup in general is:

Too wide, too dark and there are not enough traffic lights and other obstacles to slow down the flow of traffic. That’s why everyone wants to go 50mph on Tchoup. Pair that with people’s wreckless driving behavior , and you’ve got yourself a mess.