The ice flows jammed up the river, interrupting traffic for several days.

"It's interrupting traffic, I understand," said Maria Carpio, 27, a vendor, who is from Ecuador.

This did so well that the police shut him down for "disturbing the peace and interrupting traffic".

Police motorcycle escorts have been interrupting traffic almost daily as they go through dry runs for transportating the leaders to points within the city.

Strikers took their public displays to the heart of Mexico City, interrupting traffic for hours.

It was kept in place for about 15 minutes, interrupting traffic.

In addition heavy rains caused rivers to exceed flood stage, particularly east of where the storm made landfall, isolating homes and interrupting traffic.

In some communities, tensions have soared over day labor sites, with complaints that the workers interrupt traffic, block sidewalks, trespass on store property and litter.

It was constructed around the Niagara Falls Suspension Bridge so as not to interrupt daily traffic.

"Accidents represent a major conflict point, and if you can't clean them up quickly, they're just going to interrupt traffic that much longer."