Bay Area Rapid Transit Shuts Down Cell Phones?

http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/08/12/BAEU1KMS8U.DTL#ixzz1UxX149wl

Quote :

BART officials acknowledged Friday afternoon that they had switched off the transit system's underground cell phone network, which runs from Balboa Park Station through the Transbay Tube, from 4 to 7 p.m. Thursday to prevent protesters from coordinating plans to stop trains.

just 1 more step into civil liberties ...but then there's Skype and landlines etc