The Arizona Transportation Board approved the State Rail Plan last week, which is the first of many steps that could potentially bring multi-city rail travel to the Grand Canyon State.
The plan calls for a train line to be built connecting Phoenix to Tucson, which has been discussed for years and has always been met with criticism that while it might nice, such a train is entirely unnecessary.
Then there's the cost, which is certain to be in the billions of dollars, and nobody -- at this point -- knows who's going to pay for it.
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