How to pronounce“congestions”in English

According to recent research, congestions cost, partly from wasting time and the patience of commuters, equals anywhere from 1.5% to 4% of gross domestic product.

There were massive inefficiencies, congestions, lags, So what did we do?

Going to the future for the States, do think with 70 more million people, and more concentrating in the urban areas, do you think the US solution for decreasing congestions