Reply To: Frequency and the 20 min rule Home › Forums › General Discussion › Frequency and the 20 min rule › Reply To: Frequency and the 20 min rule November 27, 2014 at 22:11 #13951 TossiParticipant @gGeorg I see you don’t understand the sentence. Can you tell what is the difference in meaning of those two very similiar sentences? Vehicle pass stops. Vehicles pass a stop. Also I explained what I meant in point 3 of my last post. Reading that explanation again should also help.