1.   Now and then the highway is clogged with herds of scrawny sheep and cows, all driven along by bright-eyed dogs and boys with sticks.

2.   On any given day, almost any given hour, highways are clogged and tempers are frayed.

3.   The blizzard has clogged highways making it impossible for meatpackers to deliver meat products to supermarkets and other retail outlets.

4.   The westward migration surpassed the great numbers of the Dust Bowl era when the highway had been clogged with migrants.

5.   Evacuees clogged highways.

6.   In northwest Antioquia state, guerrillas blew up a power line and a rural bridge, leaving lines of tractor trailers clogging a highway.

7.   Snow and ice closed schools Wednesday in parts of the Southwest and traffic accidents clogged major highways.

8.   The attacks occurred despite a nationwide security mobilization for an EU summit, with military units on maximum alert and police roadblocks clogging highways across the country.

9.   The Midwest bundled up and struggled to dig out Tuesday after a storm that delivered record snowfall, clogging highways and snarling air travel around the nation.

10.   The Thalys service is part of an EU effort to integrate European railway service and get Europeans to stop clogging highways with their cars.