A track assembly for positioning and removably securing wheelchairs and transit seats (250) in a vehicle, having a first rail having a frame (20, 20A), the (20, 20A)frame having a top surface (21), a first side surface (22), a second side surface (239, and a longitudinal axis (X). The track assembly further includes a plurality of apertures (25) having a shape, the apertures (25) evenly distributed within the top surface (21) along the longitudinal axis (X) of the frame (20), a plurality of channels (30) connecting the first and second side surfaces (22, 23) proximate the top surface (21), the channels (30) evenly distributed along the longitudinal axis (X) of the frame (20), and a second rail identical to and arranged in parallel with the first rail to form the track assembly.