The phrase "a vast infrastructure of" is correct and usable in written English.
It can be used when describing a large and complex system or network that supports a particular function or service.
Example: "The city has developed a vast infrastructure of public transportation to accommodate its growing population."
Alternatives: "a large network of" or "an extensive system of".
Backed by US and Saudi money, Pakistan created a vast infrastructure of radical religious schools and training camps.
Instead of reining in Hamas and Islamic Jihad, Yasir Arafat allowed them to establish a vast infrastructure of international terrorism in the areas under his jurisdiction.
Like others his age, he has no hesitation about tunnelling under the government firewall, a vast infrastructure of digital filters and human censors which blocks politically objectionable content from reaching computers in China.
Over the past nine years, India's government has built a vast infrastructure of welfare programs to feed and employ the rural poor and give them access to private hospitals — programs thought to result from Mrs. Gandhi's socialist tendencies.
The entire system covers more than 1 million acres, delivering about 1 billion gallons of water daily through a vast infrastructure of reservoirs, aqueducts, tunnels and pipes to a million residents in Orange, Putnam, Ulster and Westchester counties and 8.6 million New York City residents.
As the United States developed a vast infrastructure of clandestine organizations, it shielded policy from the public sphere and gave rise to a new cultural imaginary, "the covert sphere". One of the surprising consequences of state secrecy is that citizens must rely substantially on fiction to "know," or imagine, their nation's foreign policy.
With this design paradigm, the group takes advantage of a vast infrastructure for two-dimensional patterning already developed for making computer chips, hijacking it to self-assemble three-dimensional structures.
Perhaps the greatest concern is what one senior Bush administration official recently termed "steadfast efforts" by the extremist groups to infiltrate Pakistan's nuclear laboratories, the heart of a vast infrastructure that employs tens of thousands of people.
To try to keep the current crisis from turning into a depression, the Obama administration is going to spend hundreds of billions of dollars next year, much of it on a vast infrastructure program.
Foes further warn that customers will pay two or three times what they pay now for conventional forms of electricity because of large start-up costs, which will include the installation of a vast infrastructure in the seabed.
But its mesmerising power, and the vast infrastructure of thought that seeks to justify it, makes any challenge to the model almost impossible to contemplate.
