YANBU OP. I'm king of laughing at all the posters keen to signal their green credentials and understanding of farming who don't realise that a lot of farming is now carried out by contractors employed by big businesses who have massive farm vehicles to move longish distances between "sites".
I think they should be banned from trunk roads upwards between 7.30 and 9am, and 4.30-6pm, with the ban not applying during the harvest period.
I actually own a small farm and can only afford a pathetically small, elderly tractor. I wouldn't dream of taking it out on the main road. Yet the town which I live adjacent to is situated between 2 major cities yet not connected by even a dual carriageway. It is full of tractors and other large farm vehicles going around 15-20mph. They cause dangerous tail backs and very rarely pull over at the many places to pull over. There are often rural road alternatives to use but presumably they don't use these because it would lengthen their journey.
Some of these contractors can be a real nuisance. Both me and my neighbours have been shouted at by them for walking on a right of way next to our homes, which has been ploughed up by them and planted. The fields in the local area have been enlarged so as to maximise yield, there are no animals grazing any more because its such productive land and its a bit of a featureless crop producing area now. (I've seen old photographs where it was mixed and rotated use). The land is pushed to its maximum to yield crops all year round. They've already sown winter barley after the harvest earlier.
I know a lot of the farm owners round here and none of them actually farm themselves any more. Its all contractors who have no connection with the land. Its just a job to them. You cant even get anyone locally to cut and turn your hayfields now because its too small a job for them to be bothered with, hence privately owned smaller or slightly oddly shaped fields lie going to waste.
And the real problem is also inadequate roads. In 2019, with poor public transport, its ridiculous that so many cities and large towns aren't linked by motorways or at least dual carriageways.
The real problem is of course