Transport Research International Documentation (TRID) https://trid.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) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ SIGNPOSTING IN CONJUNCTION WITH ROADWORKS https://trid.trb.org/View/277022 Sun, 30 Nov 1986 00:00:00 GMT https://trid.trb.org/View/277022 CHILDREN AND TRAFFIC https://trid.trb.org/View/204346 Thu, 30 Aug 1984 00:00:00 GMT https://trid.trb.org/View/204346 SPEED-REDUCING DEVICES IN RESIDENTIAL AREAS https://trid.trb.org/View/204567 Thu, 30 Aug 1984 00:00:00 GMT https://trid.trb.org/View/204567