Most people have no idea what a travois is.
The headline could have been evidence of a 22000 year old wheelbarrow like vehicle but I guess that was a mouthful. “Vehicle” is fine.
The headline could have been evidence of a 22000 year old wheelbarrow like vehicle but I guess that was a mouthful. “Vehicle” is fine.
The article suggests that people riding in (or on, perhaps) was a common use for the vehicle.