But the traffic increase has slowed progress in reducing emissions further, and people in many areas still suffer from nitrogen-related air pollution, including small particulates that get sucked deep into the lungs, and ground-level ozone - a strongly irritant gas formed by the action of sunlight on reactive nitrogen.

BBC: Nitrogen pollution 'costs EU up to ?280bn a year'

He said that the first quarter of 2008 would confirm the company's progress, thanks to a boost in road traffic through the tunnel and "outstanding" growth from the Eurostar passenger rail service.

FORBES: Eurotunnel Worth The Fare

With traffic and traffic lights there to confound smooth progress, putting a foot down when the road does finally open up is one of the few ways an urban driver can exert some control over a journey.

BBC: Traffic

Transportation officials equipped with increasingly sophisticated technology are considering ways they can use traffic signal-prioritization not just to speed the progress of buses, but to solve bus bunching.

FORBES: Busting Bus Bunching With Traffic Signals

As a continental trade port, admittedly, its future is dim: Chilean shippers say that they handle little traffic between Asia and Argentina or Brazil, and there has been only slow progress on building the road and rail links across the continent that could extend the hinterland of Chilean ports.

ECONOMIST: The APEC summit is a chance for Chile to prove itself

America has made it clear that, while it is willing to make negotiated progress on the legal and commercial reforms required, such reforms would be dependent on negotiating satisfactory provisions for traffic rights in and between the two markets.

ECONOMIST: Schools and the state

With fixes to ensure the legislation only targets rogue websites and does not create unintended problems by requiring actual website blocking or traffic filtering, support for online anti-piracy legislation is likely to strongly consolidate as the bills progress, enabling it to become law in this Congressional session.

FORBES: SOPA Opponents' Bogus Net Neutrality Comparisons

Given the frequency and volume of traffic that sports stadiums generate, if teams and owners back best practices, that should lead to significant progress in many cities.

FORBES: The Green League: CSR Hits Pro Sports