The PA/CIS system is being activated incrementally. 75 IRT stations up & running in 2010, a total of 152 stations by 2011. #SubNews
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
The PA/CIS system is being activated incrementally. 75 IRT stations up & running in 2010, a total of 152 stations by 2011. #SubNews