why is it

why is it when the M1 is at a stand still and i approch from the M6 every truck is nose to tail and they wont let me/us in so then the M6 approch be comes stagnant,when you try to get in there determind not to let you in and just glareat you as if you shuoldnt be on his motorway, yes linx driver,its called curtousy and professianalism…