I was told that it was impossible to do because even though we had the rolling stock, we did not have the ability to deal with a union that had the opportunity to charge double time, triple time and all kinds of things on a train that was going across the country for two or three days.
The rolling stock they had was high in value.
( z1 value :ARG1 ( z2 stock :ARG1-of ( z3 roll ) :ARG1-of ( z4 have :ARG0 ( z5 they ) ) ) :ARG1-of ( z6 high ) )