Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ School Times Impact on Students Walking or Biking to School: Safe Routes to School https://rip.trb.org/View/2244267 Tue, 12 Sep 2023 12:16:25 GMT https://rip.trb.org/View/2244267 Economical Analysis of Alaskan Street Lights by using Light-Emitting Diode (LED) Technology https://rip.trb.org/View/1230346 Thu, 03 Jan 2013 13:58:37 GMT https://rip.trb.org/View/1230346