1.   Traffic slowed to a crawl as we approached the accident site.

2.   Traffic slowed to a walking pace.

3.   The traffic had slowed to a crawl.

4.   Near the construction site, traffic had slowed to a crawl.

5.   As subdivisions have sprawled across what once was farmland, highway traffic has slowed to a crawl during commuter rush hours in Denver, Phoenix and Salt Lake City.

6.   At least one carrier, Philadelphia-based Conrail, responded quickly as traffic slowed.

7.   But the clogged traffic has slowed down the trip.

8.   For six weeks, his garden puts on such a show that traffic slows past his house, with many drivers pausing to ask his secret.

9.   Heavy Internet traffic slowed many online investment sites Monday as panicked investors mobbed cyberspace, checking their stock prices and then sticking around to commiserate.

10.   The heavy traffic slowed response time on many parts of the Web as the computers along the line labored.