boarding position; boarding spot
Refers to the designated spot on a train platform where passengers line up to board a specific car or door, often marked by signs or floor markings.
Line up at the boarding position and wait for the train.
The boarding position at this station is at the far end of the platform.
乗り場 is a general boarding area or stop for vehicles, while 乗車位置 is a specific marked spot on a platform for boarding a train.
Compound of 乗車 (じょうしゃ, 'boarding a vehicle') and 位置 (いち, 'position').