trains, estimating are bought stocks with a high degree of accuracy. the bus and train our arrival information can be accessed from your computer and even on your cellular phone or personal digital assistant. knowing their arrival time of the bus allows riders the choice of waiting for it or perhaps doing some shopping locally or getting a cup of coffee. it also gives a greater sense that they can count on you to get to their destination on time. the next bus our arrival information is also transmitted to bus shelters around the city equipped with the next bus sign. riders are updated strictly about arrival times. to make this information available, muni has tested push to talk buttons at trial shelters. rider when pushes the button, the text is displayed -- when a rider pushes the button. >> the success of these tests led to the expansion of the program to all stations on the light rail and is part of the new shelter contract, push to talk will be installed. check out the new technology making your right easier every day