In addition to the fast turnaround of the quick-build projects, Chowdhury said several other factors have allowed the city to improve traffic safety. They include considering more factors when designing a street project, having more projects designed by DOMI rather than bidding out the work, and participating in the Vision Zero program that reviews every serious crash to see what steps can be taken to prevent similar accidents.

I'd never heard of Vision Zero before. What a useful project!