Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Fare Payment Compliance on MBTA Buses and Light Rail https://rip.trb.org/View/2355364 Fri, 22 Mar 2024 13:24:52 GMT https://rip.trb.org/View/2355364 Optimizing ADA Paratransit Operations with Taxi and Ride Share Programs https://rip.trb.org/View/1574983 Mon, 17 Dec 2018 15:56:59 GMT https://rip.trb.org/View/1574983 PERCEPT Indoor Navigation System for Visually Impaired: Beta Study https://rip.trb.org/View/1574981 Mon, 17 Dec 2018 15:47:42 GMT https://rip.trb.org/View/1574981