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/ How to promote sustainable aviation fuel: Is flexibility beneficial to quota policies? https://trid.trb.org/View/2673134 Mon, 01 Jun 2026 09:02:35 GMT https://trid.trb.org/View/2673134 Public transport subsidies and the marginal cost of public funds: An interpretative review https://trid.trb.org/View/2665779 Tue, 26 May 2026 09:40:58 GMT https://trid.trb.org/View/2665779 Multi-period hub-and-spoke network design considering flow-dependent economies of scale https://trid.trb.org/View/2649627 Thu, 19 Feb 2026 10:53:37 GMT https://trid.trb.org/View/2649627 A hybrid cost model for light and heavy metro services https://trid.trb.org/View/2608034 Mon, 29 Dec 2025 09:33:39 GMT https://trid.trb.org/View/2608034 Response Strategies for Demand Surges in Last-Mile Logistics: Managing Delivery Efficiency in Volatile Environments https://trid.trb.org/View/2539826 Thu, 05 Jun 2025 13:59:01 GMT https://trid.trb.org/View/2539826 Economies of scale vs. service quality and environmental concerns: an application to integrated sea-land shipping systems with carbon tax policy insights https://trid.trb.org/View/2543182 Wed, 21 May 2025 09:52:10 GMT https://trid.trb.org/View/2543182 Market power of railway operators under different vertical structures https://trid.trb.org/View/2533821 Tue, 13 May 2025 17:11:22 GMT https://trid.trb.org/View/2533821 Does antitrust immunity matter for complementary shipping alliances? Competition and welfare analysis https://trid.trb.org/View/2537072 Mon, 28 Apr 2025 08:50:35 GMT https://trid.trb.org/View/2537072 Scaling laws of dynamic high-capacity ride-sharing https://trid.trb.org/View/2522376 Tue, 22 Apr 2025 15:51:22 GMT https://trid.trb.org/View/2522376 The hierarchical multimodal hub location problem for cross-border logistics networks considering multiple capacity levels, congestion and economies of scale https://trid.trb.org/View/2517267 Wed, 19 Mar 2025 16:58:50 GMT https://trid.trb.org/View/2517267 What do walking and e-hailing bring to scale economies in on-demand mobility? https://trid.trb.org/View/2499554 Fri, 21 Feb 2025 17:08:04 GMT https://trid.trb.org/View/2499554 Incorporating Economies of Scale in Top-Down Pavement Management Systems https://trid.trb.org/View/2434046 Mon, 28 Oct 2024 12:29:46 GMT https://trid.trb.org/View/2434046 Scale and Scope Economies Based on Net Characteristic of Railway Transportation and Its Application https://trid.trb.org/View/2283077 Thu, 17 Oct 2024 09:15:20 GMT https://trid.trb.org/View/2283077 365-day sectional work zone schedule optimization for road networks considering economies of scale and user cost https://trid.trb.org/View/2408287 Fri, 09 Aug 2024 17:18:32 GMT https://trid.trb.org/View/2408287 Research on Flow Distribution Optimization of Capacitated Logistics Network Based on Concave Cost https://trid.trb.org/View/2282454 Thu, 11 Jul 2024 13:52:39 GMT https://trid.trb.org/View/2282454