Express transportation systems

Claim 1

IN A TRANSPORTATION SYSTEM, IN COMBINATION, TUBULAR PASSAGEWAY MEANS OF INDETERMINATE LENGTH, VEHICLE MEANS MOVABLE IN SAID PASSAGEWAY MEANS SUBSTANTIALLY IN SEALING RELATION THERETO, SAID PASSAGEWAY MEANS INCLUDING MEANS FOR DECELERATING SAID VEHICLE MEANS COMPRISING A PLURALITY OF LONGITUDINALLY SAPCED RADIALLY MOVABLE PISTONS FOR FRICTIONAL ENGAGEMENT WITH THE EXTERIOR OF THE VEHICLE MEANS WHEN PROJECTED RADIALLY INWARDLY, AND ACTUATING MEANS FOR MOVING SAID PISTONS INWARDLY AND FOR RETRACTING THEM OUTWARDLY AWAY FROM SAID FRICTIONAL ENGAGEMENT, SAID VEHICLE MEANS INCLUDING AN OUTER SPHERICAL SHELL PROVIDED WITH RECESS CLOSURE MEANS FOR SAID SUBSTANTIALLY SEALING ENGAGEMENT WITH THE INTERIOR OF THE PASSAGEWAY MEANS FOR MOVEMENT THEREIN, HEMISPHERICAL LOAD-CARRYING STRUCTURE CARRIED WITHIN SAID SPHERICAL SHELL AND MEANS FOR SUPPORTING IT THEREON FOR FREE GYRATORY TIVE MOVEMENT WITH RESPECT THERETO IN RESPONSE EQUILIBRIUM FORCES GENERATED BY MOVEMENT OF THE VEHICLE MEANS, AT LEAST ONE COMPRESSOR MEANS HAVING OUTLET MEANS IN COMMUNICATION WITH THE INTERIOR OF THE PASSAGEWAY MEANS FOR INTRODUCING AIR UNDER PRESSURE THERETO IN ONE DIRECTION WITHOUT OBSTRUCTING SAID VEHICLE MEANS, SUCTION MEANS INCLUDING INLET MEANS IN COMMUNICATION WITH THE INTERIOR OF THE PASSAGEWAY MEANS SPACED DOWNSTREAM OF SAID COMPRESSORS FOR ASSISTING THE FLOW OF AIR WITHOUT OBSTRUCTING SAID VEHICLE MEANS, AND MEANS FOR SENSING THE APPROACH OF A VEHICLE MEANS TO SAID OUTLET AND INLET TO ACTIVATE SAID COMPRESSOR MEANS AND SUCTION MEANS TO PROPEL SAID VEHICLE MEANS IN SAID PASSAGEWAY MEANS.