To put it another way, what would be the accident rate on London's A-roads if you filled them with Northumberland's density of traffic?

BBC: Crashes

In July and August, the population density and traffic becomes so thick with vacationing Romans that one can push their car across the capital, Portoferraio, at about the same pace as driving it.

BBC: Following Napoleon��s trail on Elba

How do we know if the road type is swamping any effect from traffic density?

BBC: Crashes

OK, all this is a long way short of proof that traffic density alone causes these differences.

BBC: Crashes

The increased cell-site density will give traffic planners much more flexibility to deliver high-capacity services than if the two companies operated separately.

FORBES: Connect