police van; paddy wagon; prisoner transport vehicle
Refers to a vehicle used by law enforcement to transport arrested or detained individuals. The term is neutral and factual.
容疑者は護送車で裁判所に運ばれた。
The suspect was taken to the courthouse in a police van.
Compound of 護送 (ごそう, 'escort under guard') + 車 (しゃ, 'vehicle').