This is over reaching of the goverment and just causes more work load for enforcing. As long as it's not a safety concern, meaning the trailers of any types aren't a hazord to others this could include unmaintained trailers that are rusty or falling apart. There shouldn't be any enforcement. The examples show utility trailers that look well maintained and parked as reasonable as possible. This feels more like an HOA task as it would be debatably an eye sore mainly for some of them but they are still well maintained. Another concern is adding utilty trailer to the list puts small business owners such as contractors, plubmers, electricions and other tradesmen in a difficult position. That would require they move the trailers around constantly or require spending money to conform to the new rules by parking them remotely or renovating their homes. A lot of provos homes are of the type and style that there isn't space for trailers not in the driveway and front area.
If someone wants to park their boat or trailer on their private property, they should be able to. Plain and simple. If it's an eye-sore maybe the neighbors should talk to them about it instead of the government dictating what can or cannot be parked on private property. If they are on the road, that is another issue. But being parked on private property should not be an issue.
The direction of this looks good, however, and this wasn't clear to me from reading this web page and examining the illustrations and language changes, I think that, if a resident's business includes the use of a small utility trailer, I'm thinking an electrician, plumber, HVAC or carpenter, etc., it should be or remain tolerated that they can park for much longer (including overnight, over a weekend, while on family vacation, etc.).
Why do you care where someone stores a boat or trailer on THEIR property. As long as it’s not a safety hazard it shouldn’t be an issue. I don’t like when people store boxes on their porch or faded mini vans in their driveways but it is THEIR driveway.
If someone wants to park their boat, trailer, or RV on their own lot. Let them! I only see a reason to change this if it is a hazard. We will drastically change what type of people are in our neighborhoods if they can’t park their property on their own lots.