To me this would open up a whole new can of worms about obedience to governing authorities. In my opinion, purposefully driving on a one way street in most cases would be a sin.
I think you are missing the point. I did not suggest it was right to purposefully break the law, but rather that you would have "no pangs of conscience" in technically breaking a minor regulation in a manner that harms nobody, which demonstrates this is not sinful.
To stick with the one-way-street illustration, have you ever accidentally turned into a one-way-street the wrong way? I have, once, in a busy city. It was a nerve-wracking experience - quickly working out how to shift the car around in a way that would avoid an accident and get back into the correct flow of traffic. It was adrenaline-inducing because of the risk of a crash - but once I was back in the flow of traffic, I felt no "pang of conscience". I felt no need to repent for a sin. I had simply made an honest mistake, that had fortunately had no negative consequences, and that was the end of it.
Have you ever willfully crossed a one-way street from one driveway to another, in a way that involves moving slightly up the road because the opposing driveway is a few feet in the "wrong" direction? If so, would you feel like a sinner and repent for your sin? Or, in that situation, would you obey the law to the letter and drive around the entire block to avoid the tiniest risk of violating the regulation?
The government makes so many regulations these days that it's impossible to even know them all, let alone follow them 100%. Think about the "social distancing" rules that have been applied wherever you live over the past few months - do you even know the details of them all? Do you know precisely which ones are legally enforceable, and which ones are recommendations? If the government says "keep 2m distance between yourself and strangers", do you really know if this is law or suggestion? Do you know the precise day it changed from being permissible to illegal, and back again? If violating it risks a fine, or imprisonment, or nothing? If that is the law, and you intentionally pass someone in a supermarket aisle only 1m away, do you feel you have sinned and need to repent for it?
If you urinated on public property (e.g. a tree in a park) because the public toilets were closed due to the lockdown and you had no other option, was that a sin? Did you repent for it?
That would be a horrible existence if we were conscious of sin every time we broke one of the myriads of tiny little regulations that every government floods into our lives. I think most people are more pragmatic than this - including most police officers.
The government is God's minister to enforce His Law (specifically "love thy neighbour as thyself" - serious laws against theft, murder etc). It is sin to disobey the government in such important matters. But it is gets a bit ridiculous if you take this so far that it defies common sense.
