Adjustable frame for rail wheels on motor vehicles adaptable to

Apparatus for supporting and raising auxiliary rail wheels on a

Arm for automatically guiding a road vehicle along a guide rail

Auxiliary railroad wheel lift assembly for road vehicle

Convertible railway-roadway vehicle and method of use

Driving mechanism of a track traveling vehicle

Dual-mode transporation system and power unit

Electric rail transportation system, vehicle, and rail used in t

Electrically powered transit car

Guidance system comprising a rail and a grooved roller

Guide system along at least one ground rail for a road vehicle a

Hybrid transit system

Hybrid wheel and hybrid roadway

Hydraulic load-shifting device for drawbar

Hydrostatic hi-rail system

Integrated bi-modal wheel assembly

Method and apparatus for re-railing working platforms

Mobile track vehicle

Rail conversion module for road tractor

Rail engagement apparatus which uses vehicle supension