Elon Musk’s recent Hyperloop proposal resurrects discussion in the U.S. about the advantages of true high-speed ground transportation. The country desperately needs a national consensus as to what constitutes fast and cost-effective HSGT before a single track or guideway is laid, but as of yet the conversation has failed to develop the required consensus for true high-speed ground transportation. 

Mr. Musk’s proposal gets the discussion going again.