Travel by car during the New Year holidays took 2 hours in each direction. They say it's not bad. I can't judge, it was the first time I crossed the border in this way. In summer, I heard they cost 5-6 hours. The passage of the Polish side takes up most of the time. Belarusians skip it in 5 minutes.
Crossing the border in Poland took 4 hours. It's been a very long time and it's been a long time... There are a huge number of cars and very few customs and border guards. They take the documents and leave for 15 minutes .. huge queues... there is a machine with coffee and tea. There is a free toilet, clean)
I often cross the border at this checkpoint. Queues are very rare, and since I always go with my grandchildren, I don't want to waste time. Both Belarusians and Poles work quickly.