NH is unique with the 150' Safe Passage Rule.... I think this is the main reason we do not have a lot of boat vs. boat collisions on NH inland waterways.
I used to get upset about people who violated the 150' rule. Then I did some ocean boating.... YIKES!
I view the Safe Passage rule as more of a guideline.... I don't get upset if someone pops the 150' bubble. I will slow down if they do. As long as they are not what I consider "danger close" within 25' - 50' or so. Most people pass well outside with absolutely no danger.... so what if they are within 150'? If they are not operating their boat in a dangerous manner, then its not dangerous, its not worth getting twisted over.
Of course there will be those Rules are Rules folks.... flame on!
Woodsy