That's exactly what the person above was getting at. > They standardize rolling stock. The same stuff is used across the country. I think this is really import

That's exactly what the person above was getting at. > They standardize rolling stock. The same stuff is used across the country. I think this is really important. If you think about how the US does things, every city will have its own procurement process. Having everything ordered piecemeal in smaller custom orders is more expensive and gives cities a disadvantage in negotiation power