When it was time to tow the duck to its temporary home next to a waterfront shopping mall, traffic jammed nearby streets.

WSJ: In Hong Kong, Giant Duck Makes a Splash

Insofar as the U.S. is concerned, commuters in the 10 most traffic-jammed cities were found to spend an average 42 hours a year sitting in traffic.

FORBES: The World's Most Traffic-Congested Cities

Though the state's transportation authorities strongly advised citizens not to drive, some interstate highways in Oklahoma were jammed with stalled traffic, as heavy rains drenched roadways and flooded low-lying areas.

CNN: SHARE THIS

The Army is trying to control foot traffic better than in year past, but local television shows the bridge jammed with people.

NPR: Shiite Pilgrims Willingly Risk Lives for Faith

For example, it can find information about traffic and tell the user's alarm clock to ring later if the highways aren't jammed.

CNN: HP's Fiorina: Net just isn't friendly enough yet

But they are frequently at the mercy of traffic managers, the civilians in brightly colored vests who wave motorists through intersections during Midtown's jammed midweek afternoons.

WSJ: Decoding Traffic In a Jammed City