we re seeing and what you take away from it? these cars are articulated cars. i think they re tell technology what does that mean? they re not the normal run-of-the-mill amtrak cars. they re a little bit different. i think that s going to be something they re going to want to look at. different in what way? well, the articulation on the cars, they actually share a truck, the wheel sets underneath the cars. these look like these may also have been what they call tilt technology so they ll actually kind of counter balance when you go into a curve. they ll lean into the curve so to speak and that makes them a little bit faster. that technology is used in various railroads in the world. this bridge over the interstate is what they call a threw girder