in nyc it's quite common (maybe even required) to run simulations of changes of infrastructure before making them to see how they will effect traffic.
source: my partner helps run these simulations as part of their job/their company gets contract work from the city all the time to check changes of bus routes/etc.
source: my partner helps run these simulations as part of their job/their company gets contract work from the city all the time to check changes of bus routes/etc.