duży ruch uliczny

Weather.com was not the only such site with heavy traffic.

On a day of heavy traffic it could take an hour.

On the other hand even with heavy traffic I've never paid more than €70.

A trip takes 25 to 35 minutes, or more in heavy traffic.

I walked him out into the light and he was looking both ways as if there were heavy traffic.

The heavy traffic on the first section led to building of a second track in 1862.

I wondered what all the heavy traffic was up ahead.

My guys have been reporting heavy military traffic all day.

They believe the heavy traffic must be eased.and forced to slow down.

Travel time is about an hour (longer during heavy traffic).