i think your referring to a hearse.
You're probably thinking of a hearse.
Hearse
A trailer or cattle-liner.
The vehicle that carries a deceased person to the morgue is typically called a "hearse." Hearses are specifically designed for transporting caskets and are often used during funerals. They provide a respectful and dignified way to transport the deceased.
A horse box or horse trailer.
umm a boat?
A car transporter.
The radioactive placard on a vehicle indicates that the vehicle carries some amount or regulated radioactive material.
Lenny
Vector
All vehicles carry things.
motercycle