Fast Tube System - Details a system where capsules are propelled along pipes by means of a rope-way. Includes an introduction and technical brief.

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.

International Freight Pipeline Society - A society for those interested in capsule, pneumatic, and slurry pipelines. Contains a member directory, publications, and news.

Flexitaxi - Describes a Russian proposal for a tube transit system.

4th International Conference for Conveying and Handling of Particulate Solids - CHoPS-4, to be held in Budapest. Includes introduction, publications, and exhibition information.

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.

Capsule Pipeline Research Center: NSF Background Paper - The United States' National Science Foundation's description of the project, with objectives and a technology summary.

CargoCap - Describes a system for conveyance of goods through pipelines in Bochum, Germany. Includes an introduction, background, and news.

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.

Capsule Pipeline Research Center - Based at the College of Engineering, 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.

Magplane Technology, Inc. - Includes a description and technical papers covering a linear synchronous motor based capsule pipeline.

Schiphol Underground Logistics System - Contains a description of a project to construct an automated underground freight system to move flowers across Amsterdam's Schiphol airport.

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.

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.

Public Roads: Tube Freight Transportation - A review of the subject by Lawrence Vance and Milton K. Mills, United States Federal Highway Administration.

Texas Transportation Researcher: Research Explores Underground Pipeline System - Describes feasibility study by Texas Transportation Institute, for subterranean freight pipeline system using pallet carrying vehicles.

Mining Technology: Sumitomo Metal Industries: Mining Mass Transportation - An introduction to the Sumitomo Capsule Liner, including a description of the prototype and suitable conditions for other applications.

New Scientist: Pipe Dream - Attempts to answer the question, what became of a 1960s scheme to transport solid goods by pipeline, and why?

Computerworld: Shipping Goes Down the Tubes - An introduction to many of the large diameter schemes under development.

New York Times: Underground Mail Road - Covers Randolph Stark's research into New York's pneumatic postal tube system, and his proposals for future use.

RUMBA: Tube Underground Magnetic Levitation Railway - A proposal for a passenger magnetic levitation based railway. Includes analysis of design requirements, network components, and implementation.