| 3rd International Symposium on Underground Freight Transportation by Capsule Pipelines and other Tube/Tunnel Systems: ISUFT2002, a conference hosted by Ruhr-Universität Bochum. Contains an introduction, and conference and exhibition details. |
| Capsule Pipeline Research Center: Based at University of Missouri-Columbia. Includes an introduction to the subject, project history, technology and test program information, and FAQs. |
| Capsule Pipelines: Contains a definition, history, views, and sources. Covers aspects of tube transportation, pneumatic tube systems, telegram conveying, and pneumatic despatch. |
| CargoCap: Describes a system for conveyance of goods through pipelines in Bochum, Germany. Includes an introduction, background, and news. |
| Characteristics of a Freight Pipeline Transportation System: A scoping paper by Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis. Covers linear electric propulsion, drag and stability. |
| Computerworld: Shipping Goes Down the Tubes: An introduction to many of the large diameter schemes under development. |
| Evacuated Tube Transport Technologies: Describes ET3, a project developing an evacuated tube system. Includes a summary of the technology and application, list of benefits, FAQ, and patent and licensing information. |
| Flexitaxi: Describes a Russian proposal for a tube transit system. |
| Freight Pipeline Company: A company seeking to commercialize Coal Log Pipeline technology. Contains a business plan and history, and technical background to capsule pipelines, including those for biomass and mine waste. |
| Inteli-Tube Pneumatic Transportation System: Contains an idea for a pneumatic tube based personal transport system. |
| International Freight Pipeline Society: Society for those interested in capsule, pneumatic, and slurry pipelines. Contains a member directory, publications, and news. |
| International Symposium on Underground Freight Transportation by Capsule Pipelines and Other Tube/Tunnel Systems: Contains news, history, conferences, and research groups. |
| ISUFT 2005 - 4th International Symposium on Underground Freight Transport: Contains call for papers and background. |
| Magplane Technology, Inc.: Includes a description and technical papers covering a linear synchronous motor based capsule pipeline. |
| Magtube: Describes system using magnetically levitated freight capsules which operate in underground tunnels, with company information. |
| New Scientist: Pipe Dream: Attempts to answer the question, what became of a 1960s scheme to transport solid goods by pipeline, and why? |
| Pipenet: Describes synchronous linear motor based system for moving lightweight freight, with movie of prototype in operation. |
| Pneutrans Systems Limited: Contains description of Pneumatic Capsule Pipelines, simulation, and cost comparison. |
| Public Roads: Tube Freight Transportation: A review of the subject by Lawrence Vance and Milton K. Mills, United States Federal Highway Administration. |
| RUMBA: Tube Underground Magnetic Levitation Railway: A proposal for a passenger magnetic levitation based railway. Includes analysis of design requirements, network components, and implementation. |
| TubeWay: Describes suspended passenger pneumatic capsule pipeline proposal, with diagrams. |
| Tubexpress: A proposal for a system to move pallet-load general freight at high speed between cities. Includes a summary, history, outline design, and consideration of economics, energy, safety, and maintenance. |
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