A vactrain is a proposed type of high-speed transport system where vehicles travel through partially evacuated tubes or tunnels. By operating in a partial vacuum, air resistance is drastically reduced
An image of a proposed implementation of the Hyperloop system
Maglev is a system of rail transport whose rolling stock is levitated by magnets rather than rolled on wheels.
Vactrain
…Vactrains have been proposed from 1906, and developed as scale models since 1917. Most vactrain concepts use maglev technology to lift and propel the vehicle. In 1799, George Medhurst of London conceived of and patented an atmospheric railway that could convey people…
L0 Series train on the under-construction Chūō Shinkansen, Yamanashi Prefecture, Japan
Example of low-speed urban maglev system, Linimo
The Birmingham International Maglev shuttle
Transrapid at the Emsland test facility