How many of us would be willing to pay another $20-30 a ticket for that? There's already an uproar about 90% retirement for police officers in California, let alone many of them with $100,000+ salaries. How would you fund such an initiative without more ticket taxes? It would probably take a year or more for local law enforcement to recruit, hire and train to be able to spare personnel to run checkpoints (unless you want to use existing personnel and pay overtime).