The potential for further traffic congestion was a major issue.

By 1920, traffic congestion had become critical in the city.

We can no longer build our way out of traffic congestion.

And the end result, she said, is that there will still be traffic congestion.

In a few moments the music started, just as the traffic congestion outside seemed to clear.

And it will have bad impact for environment with traffic congestion.

At busy times there is significant risk of traffic congestion.

Anyone who is familiar with the current level of traffic congestion would agree.

For the first few decades after its opening, traffic congestion was no issue.

In the old days, the answer to traffic congestion was to build more roads.