The main cost, to many people, was the long lines of traffic caused by 20,000 commuters.

If an advertisement causes traffic to leave the site, it has failed.

A single illegally parked car may cause traffic to back up for blocks.

Meg asked the driver what was at this end of the island that caused so much traffic.

Most claim the restrictions have actually caused traffic using the roads to speed up.

But this also caused bad traffic and small floods.

Some economists think this could cause traffic to double, on top of the current annual growth of 20 percent.

The loss of these stores caused declining traffic at Amigoland.

It has been suggested that such street layouts can cause increased traffic on the collector streets.

That's a pretty simple explanation - too many cars in -one place causes traffic.