noun
perpendicular parking; side-by-side parking
Refers to parking vehicles side by side, often in a perpendicular arrangement relative to a curb or line. Contrasts with 縦列駐車 (parallel parking).
この駐車場は並列駐車が基本です。
This parking lot is primarily for perpendicular parking.
並列駐車の練習を教習所でしました。
I practiced perpendicular parking at driving school.
縦列駐車 means parallel parking (vehicles in a line along the curb), while 並列駐車 means perpendicular or side-by-side parking.
Compound of 並列 (parallel, side-by-side) and 駐車 (parking). The term is straightforward and modern.