GMAT Critical Reasoning (CR) | Re: The city government should invest surplus funds in improving

The conclusion of the argument is that the city will see many of its prized
industries relocate to more convenient cities and the city's financial health will be
jeopardized if the city does not make changes soon to the transportation network.
This is also the second bolded sentence. The first bolded sentence states that
most of the network was put in place at a time when the city was much smaller in
both area and population. We need to find a choice that correctly describes both
of these bolded