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/ IMPACT 73 https://trid.trb.org/View/39159 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39159 VIDEO EDUCATION FOR WORKING ENGINEERS https://trid.trb.org/View/39160 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39160 RAMP METERING ON THE BLACK CANYON FREEWAY https://trid.trb.org/View/39161 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39161 IMPACT OF THE ENERGY SITUATION ON THE ARIZONA HIGHWAY PROGRAM https://trid.trb.org/View/39162 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39162 REFLECTIVE CRACKING STUDY AT MINNETONKA https://trid.trb.org/View/39163 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39163 ASPHALT PAVING IN 1974 https://trid.trb.org/View/39164 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39164 POLYMER AND PORTLAND CEMENT CONCRETE COMBINATIONS https://trid.trb.org/View/39165 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39165 CURRENT AND PROPOSED FEDERAL AID, HIGHWAY https://trid.trb.org/View/39166 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39166 PEDESTRIAN TRAFFIC ACCIDENT CHARACTERISTICS, TUCSON, ARIZONA https://trid.trb.org/View/39167 Tue, 15 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39167