This is an interesting insight. What if we replace 20 sequential cars with a huge "road train" ala Australia - a tractor with multiple trailers? The road train

This is an interesting insight. What if we replace 20 sequential cars with a huge "road train" ala Australia - a tractor with multiple trailers? The road train has no cushion (ignore the few inches in pintle hooks) so it brakes as a unit. And accelerates as a unit. Does that make it's recovery from shocks 20x as good as 20 cars?