11.   Members of a breakaway group who blocked traffic in University Square the same evening were forcibly dispersed by police.

12.   Back at the top I helped Duncan carry the police barrier across the road so that it blocked traffic coming up.

13.   Anti-government protesters had been hijacking government vehicles to use them to block traffic in downtown.

14.   As the breeze picked up Friday morning, strong gusts knocked a prefabricated house off a truck near Newhall, blocking traffic for an hour.

15.   As if that was not enough, they tossed firecrackers, sounded their hunting horns and blocked traffic for hours.

16.   At Hofstra, officials asked Applied Theory to block traffic from the software after noticing that the campus network was slowing considerably.

17.   Before the NCAA put limits on contact, recruiters would block traffic to neighborhoods where the most sought-after players lived.

18.   A barge accident in the Houston Ship Channel in Texas that temporarily blocked traffic also lifted prices.

19.   According to one theory, prions clump together and block molecular traffic, killing the cells and leaving spaces where once there were nerves.

20.   According to officers on the scene, Ms. Smith became annoyed and told the officers they were blocking traffic at the intersection of McKibbon Street and Graham Avenue.