For your system to work, there would actually need to be cops watching traffic.
Since the pandemic, some cities just don't have as many police watching the streets as they used to.
For example, there is virtually no traffic enforcement in Austin now. You see the results with how much people speed now, and how awful some drivers behave on the road.
* Traffic enforcement capacity in Austin dropped significantly -- traffic citations fell about 55% between 2018–2022.
https://www.austintexas.gov/sites/default/files/files/Audito...
* As a result, speeding tickets, which once averaged 100 per day in 2017, dropped to about 10 per day by 2021 -- a 90% decrease.
https://www.kut.org/transportation/2022-02-24/austin-police-...