The most important thing about an on-the-road restaurant is having an well-equipped and neat Rest room.
They don't save water. Faucets have a huge amount of leakage.
Some of rooms don't have facilities for making clean yourself surprisingly!
Their "Ashe reshte" (Iranian noodle soup) is delicious.
They have some warm rooms which is very necessary in this area because of the cold weather in most of the year.