[reaperducer]

That works fine if you live in a tiny country. But in the United States there are tens of thousands of law enforcement agencies authorized to write tickets. Some of them are massive organizations like state highway patrols. Others are towns of 200 people, or even individual schools that don't have the time, money, or infrastructure to integrate with a national system.

[Ekaros]

Sounds like perfect market for some SaaS. Pull relevant information from everywhere and automate showing failures.

[jcrawfordor]

Sure, but do we really want to encourage ubiquitous LPR on every police vehicle? It's already becoming the norm in some cities but that's not exactly an unmitigated good.