I'm writing you to express my strong support for detectable warnings on subway and train platforms, and for accessible pedestrian signals.

Each working day, I travel to work using 3 Washington Area Metro stations. 2 of the stations have detectable warnings, one does not. I have first-hand experience of how having the warnings makes a significant difference in my ability to navigate through the stations, avoiding people, suitcases, carts and other impediments.

In addition, my walk home requires me to cross an extremely well traveled street during rush hour. At one time there was no audible signal indicating when the traffic signal had changed. Since the time when one was installed, my walk home has become significantly less dangerous.

In addition, there is an audible signal near my office building that makes it possible to cross a busy intersection in Alexandria, VA.

I am fortunate to have these pedestrian signals, and detectable warnings. I've lived with them and with out them. And can testify that they make a life saving difference. I urge you and the U.S. Access board to look at the evidence, such as the the PROWAC report and do what is necessary to ensure that this relative simple, yet life-saving technology is required where appropriate. Lives are lost for so many unpreventable reasons and we should all endeavor to decrease instances where preventable loss of life occurs.

I would be happy to speak with you further about any of the above. Thank you.

Paul D'Addario
Database Manager
American Society for Industrial Security

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