RE:RE:More on U.S. critical mineral tariffs@Greasemonkies , thanks for your post. Unfornately I do not have much time at the moment to discuss any of this but to say; I believe it would be road first then railveyor. Just my opinion, but the important thing to note is that the right of way is 2km wide which is large enough to host both , and also a transmission line for power and what ever else is decided to go in with that.
a quote from the NRL proposal " During the EA/IA, road alignments will be identified within the 2-km wide preferred corridor. There will be some flexibility to adjust the alignments within the preferred corridor to avoid or minimize impact on identified areas of sensitivity or concern" . This does not mention a second transport option but does leave room for it.