Earlier quoted context omitted.
If the primary motivation anywhere was to alter driver behaviour, a points based penalty system is all it would take. Monetary fines in traffic infringements are entirely for revenue. Anecdote time: a friend from one of the nation's major universities was involved in a road authority funded study to evaluate the safety impact of newly installed speed cameras at several intersections. They found there was none. Said r…
Anecdote of my own: In my country, monetary fines in traffic infringements are explicitly not for revenue. They mix into the total state revenue and form a minuscule fraction of it. The police sees none of it. This distinction is made very clear, for example in a parliament answer by the justice minister: "...it is clear that the purpose of fines is not to increase the revenue of police departments but first and fore…
You're contradicting your own claim.
Just because someone in a PR position says the purpose is not to increase revenue doesn't make it so. It doesn't matter where the revenue goes, the fines generate revenue. If they didn't care about revenue, they'd use penalty points - with the added benefit of not fucking over the lower and middle classes.