| 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. | |
| TubeWay Describes suspended passenger pneumatic capsule pipeline proposal, with diagrams. | |
| Texas Transportation Researcher: Research Explores Underground Pipeline System Describes feasibility study by Texas Transportation Institute, for subterranean freight pipeline system using pallet carrying vehicles. (April, 2000) | |
| RUMBA: Tube Underground Magnetic Levitation Railway A proposal for a passenger magnetic levitation based railway. Includes analysis of design requirements, network components, and implementation. | |
| Public Roads: Tube Freight Transportation A review of the subject by Lawrence Vance and Milton K. Mills, United States Federal Highway Administration. (September 1, 1994) | |
| Pneutrans Systems Limited Contains description of Pneumatic Capsule Pipelines, simulation, and cost comparison. | |
| Pipenet Describes synchronous linear motor based system for moving lightweight freight, with movie of prototype in operation. | |
| New Scientist: Pipe Dream Attempts to answer the question, what became of a 1960s scheme to transport solid goods by pipeline, and why? (May 13, 2000) | |
| Magtube Describes system using magnetically levitated freight capsules which operate in underground tunnels, with company information. | |
| Magplane Technology, Inc. Includes a description and technical papers covering a linear synchronous motor based capsule pipeline. | |
| ISUFT 2005 - 4th International Symposium on Underground Freight Transport Contains call for papers and background. (October 1, 2005) | |
| International Symposium on Underground Freight Transportation by Capsule Pipelines and Other Tube/Tunnel Systems Contains news, history, conferences, and research groups. | |
| International Freight Pipeline Society Society for those interested in capsule, pneumatic, and slurry pipelines. Contains a member directory, publications, and news. | |
| Inteli-Tube Pneumatic Transportation System Contains an idea for a pneumatic tube based personal transport 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. | |
| Flexitaxi Describes a Russian proposal for a tube transit system. | |
| 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. | |
| Computerworld: Shipping Goes Down the Tubes An introduction to many of the large diameter schemes under development. (March 26, 2001) | |
| 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. | |
| CargoCap Describes a system for conveyance of goods through pipelines in Bochum, Germany. Includes an introduction, background, and news. | |