Why Do Bicycle Accident Cases Often Involve Infrastructure Problems?

https://www.scribd.com/document/874725570/What-Road-Hazards-Can-a-Bike-Accident-Lawyer-Hold-Cities-Liable-For-168461

Bicycle accidents happen more often than many people realize, and poor infrastructure is a major cause. When cyclists get hurt on the road, it's not always because of driver error or cyclist mistakes