An independent suspension undercarriage module includes a first subframe segment
and a second subframe segment. The subframe is manufactured of a composite material
to provide a truss-like structural unibody which is mounted as a unit to the underside
of a low floor vehicle through a plurality of resilient dampers. Passengers are
thereby provided with a secondary vibration isolation structure separate from the
suspension systems which filter out high frequency content generated by the suspension systems.
