uses TS in production to serve more than 30 billion objects per day on sites like the Yahoo!
On April 21, 2010, the Apache board accepted Traffic Server as a TLP, graduating the project out of incubation.
Long-term support is provided for the last minor version within a major release, for one added year.
Traffic Server has been benchmarked to handle 200,000 requests per second or more (small objects out of cache).
The OStatic post describes TS as the "product of literally hundreds of developer-years".