No it wouldn't work. You'd have trucks with no engines and the brakes still locked. With that many trucks, your "worthless scrap metal" would be millions of dol

No it wouldn't work. You'd have trucks with no engines and the brakes still locked. With that many trucks, your "worthless scrap metal" would be millions of dollars in damages. https://www.ontario.ca/document/official-air-brake-handbook/spring-parking-and-emergency-brake-subsystem https://www.ontario.ca/document/official-air-brake-handbook/...