Full 30 in 10 answer from Dana Gabbard

For what it is worth, my worry isn't Metro's competence. I wonder whether there is an ability to marshal the physical forces and materials to do the work. Construction projects of this magnitude can only be undertake by a handful of supersized companies and there are projects in other parts of the world (like the NY 2nd avenue subway extension) that may be gobbling up that capacity. There are structural limitations on massive infrastructure projects that may be a difficult hurdle to do the work in 10 years even if the funding stream to do so is in place. Do we have supplies of aggregate and other materials in this state that we would need for the subway etc., or can transport be arranged?