The Washington Post reporter, Paul Duggan, visited Columbia Lighthouse for the Blind to learn firsthand about the new travel technology. To read the story, please visit, https://www.washingtonpost.com/local/trafficandcommuting/for-blind-riders-on-metrorail-a-new-web-site-and-phone-app-are-designed-to-lead-the-way/2014/11/04/6a65c33c-644f-11e4-bb14-4cfea1e742d5_story.html.