Making your way around public transit systems can be challenging for those who are visually impaired. Keolis, the company that runs the MBTA Commuter Rail, is rolling out a new partnership with an app called NaviLens to help bridge the accessibility gap. Giant, colorful QR codes are being put up all around certain commuter rail stations to help disseminate information through the app, and Adam Ross, Manager of Customer Experience at Keolis, explains how the system works to Nichole on this week's episode.