Here's their scientifically-derived 20 most traffic-clogged cities.    From Wordnik.com.  [Who Knew? Seattle Leads the Way in Reducing Traffic Congestion « PubliCola] Reference

There was no time to get through traffic-clogged streets to a private clinic.    From Wordnik.com.  [Next Time, I'll Pay] Reference

Crowds of people thronged the sidewalks, pushing off into the traffic-clogged streets.    From Wordnik.com.  [Second Skin]

When I was growing up, I always thought of New York City as a sprawling, traffic-clogged mess.    From Wordnik.com.  [How New York City Became Walk, Bike and Transit Friendly] Reference

Two smoggy, traffic-clogged cities plagued by a growing problem of childhood obesity and diabetes.    From Wordnik.com.  [Public Space = Public Health] Reference

It had become a scenic refuge from the bevy of traffic-clogged roadways and neighboring strip malls.    From Wordnik.com.  [Dam failure drains Fairfax County lake, kills wildlife] Reference

Two traffic-clogged bridges cross the Bosporus, and auto exhaust chokes the streets and eats away historic architecture.    From Wordnik.com.  [Quake Fears, Ancient Finds Have Europe-Asia Tunnel on Nonstop Delay] Reference

As the number of cars on the road soared after the war, town merchants and residents sought relief from traffic-clogged streets.    From Wordnik.com.  [What Main Street Can Learn From the Mall] Reference

As you negotiate the traffic-clogged lanes of I-395 as it passes over the Washington waterfront, look east, and there's a tonic on the horizon.    From Wordnik.com.  [Arena Stage's new building: a brilliant addition, and a challenge, to the city] Reference

KABUL — The man on the motorcycle was going the wrong way down a one-way street, gesturing indignantly for the phalanx of traffic-clogged cars in.    From Wordnik.com.  [Eric Margolis: Why Osama Is Winning] Reference

Local and federal officials say many earmarks have proven to be essential in the region, especially for transportation projects in traffic-clogged areas.    From Wordnik.com.  [Impact of congressional earmarks evident across region] Reference

The city has eyed this area for development for more than a decade, but locals have opposed adding retail projects along traffic-clogged Flatbush Avenue.    From Wordnik.com.  [Stores Planned Near Brooklyn Marsh] Reference

Higher education is moving to where the students are, with satellite centers and branch campuses popping up all across traffic-clogged metropolitan areas.    From Wordnik.com.  [Distance Learning] Reference

In Puerto Ayacucho, they can be seen wandering through the traffic-clogged streets, clad in the modern uniform of T-shirts and baggy pants, toting cellphones.    From Wordnik.com.  [Archive 2008-10-01] Reference

Speakers from the neighborhood asked UVa to rethink the planned garage, contending that its size and location would overwhelm traffic-clogged roads in the area.    From Wordnik.com.  [Tempers Flare at Meeting about New UVa Garage at cvillenews.com] Reference

China's leaders are keen to constantly remind people that, despite its soaring skyscrapers and increasingly traffic-clogged roads, it is still a developing country.    From Wordnik.com.  [China keeps economic triumphalism in check] Reference

The engineers who've proved themselves dispicably incompetent with their traffic-clogged freeways and boulevards don't want to admit something is wrong with this picture.    From Wordnik.com.  [McGinn Says He’ll Veto Tunnel Agreement; Council President Says Mayor is “Grandstanding” « PubliCola] Reference

Orange County's plan to widen a traffic-clogged stretch of the 405.    From Wordnik.com. Reference

In McLeod Ganj, where a van with loudspeakers toured the narrow, traffic-clogged streets on.    From Wordnik.com.  [LBO-Lanka Business Online] Reference

But getting to the airport meant wasting several hours in the traffic-clogged streets of Port-au-Prince.    From Wordnik.com.  [STLtoday.com Top News Headlines] Reference

Children, some as young as 3 and clutching baby siblings, work the traffic-clogged streets begging for money.    From Wordnik.com. Reference

Thousands of Austinites now can live and work downtown, avoiding traffic-clogged highways and the attendant pollution.    From Wordnik.com.  [statesman.com - Highschool]

Almost 3,500 years of urban history have made Izmir into the city it is today -- sprawling, built-up, and traffic-clogged.    From Wordnik.com.  [TreeHugger] Reference

Relief goods continued to arrive along the single, traffic-clogged main road from the Qinghai provincial capital, 12 hours away.    From Wordnik.com.  [CBS 2 - KCAL 9 - Los Angeles - Southern California - LA Breaking News, Weather, Traffic, Sports] Reference

Much of the city seems run-down and shabbily modern -- postwar apartment blocks, worse for the wear, along traffic-clogged roads.    From Wordnik.com.  [Grist - the Latest from Grist] Reference

We broke traffic laws moment by moment, speeding to 80 mph along the traffic-clogged, tree-lined thoroughfare on the dangerous dash.    From Wordnik.com.  [SFGate: Top News Stories] Reference

The population has continued to spiral since then, with unregulated development creating a traffic-clogged and polluted urban sprawl.    From Wordnik.com.  [عصيان] Reference

Exit Series does not champion boozing and cruising; Exit Series is a celebration of the state's traffic-clogged turnpike in liquid form.    From Wordnik.com.  [Slashfood] Reference

Deeds has proposed creating a transportation commission to come up with solutions on addressing the commonwealth's traffic-clogged roads.    From Wordnik.com.  [Yahoo! News: Top Stories] Reference

More sights to delight: bell-tinkling bicyclists pedaling effortlessly through traffic-clogged streets, emerging from stoplights like swarms of fish.    From Wordnik.com.  [Alanat News] Reference

He remembered it as one remembers a place of dreams -- the subways, the elevated railways, the traffic-clogged streets, the high buildings, the noise.    From Wordnik.com.  [Left on the Labrador A Tale of Adventure Down North] Reference

Moscow subway system system officials say more than 36000 people work to run and maintain the tube, the most reliable form of transport in the traffic-clogged city.    From Wordnik.com.  [WN.com - Articles related to Turkey, Georgia, UAE financed Caucasus rebels: Russian TV] Reference

Apparently, no one thought about where all of the new residents 'children would go to school, or what effect their cars would have on the already traffic-clogged area.    From Wordnik.com.  [English-writing Israeli-bloggers] Reference