'upgraded infrastructure' is correct and usable in written English.
You can use it to describe the process of replacing or improving current infrastructure with more modern, advanced, and efficient systems. For example: "The government recently invested in upgraded infrastructure to keep up with the changing needs of a growing population."
He upgraded infrastructure, built roads and bridges and improved health care and social services.
Forecast passenger growth has failed to materialise, while the delivery of upgraded infrastructure and new trains ordered by the government is likely to further dent their earnings.
Top income tax rates are kept low; banks remain undercapitalised and under-regulated; and urgently needed public investments for education, job skills and upgraded infrastructure are being slashed in response to budgetary pressures.
With these kinds of carrots on the table, we can persuade Ukraine to address the challenges it has internally – tackling corruption, improving the country's political culture, and reforming its energy sector so that it is attractive to foreign investment, compatible with other EU models, and has an upgraded infrastructure to prevent losses that might affect other countries in Europe.
Waived fees, upgraded infrastructure; suffered more outages in July, August.
New apps are one of many improvements the company has in store, some of which – like its upgraded infrastructure – have only started to arrive over the last few weeks.
A policy shift towards upgrading infrastructure and effective policy implementation are equally important.
Early on, there was such a need to upgrade infrastructure and move into better homes and offices," she explained.
And that creates tension within Metro — an endless push-pull between upgrading infrastructure and moving trains efficiently.
In an interview in her office, Ms. Foulkes said she had made steady progress in cleaning up the ward and upgrading infrastructure.
That is because, after decades of neglect, the government and private companies are heavily investing in upgrading infrastructure and services like transportation.
