A polarimetric radar system for object classification and road condition estimation in stationary road applications, the radar system comprising - at least one radar transmitter unit that is configured for transmitting radar waves of at least two different polarizations, - at least one radar receiving unit that is configured for receiving radar waves of at least two different polarizations, - a radar signal generating unit that is configured to generate and to provide radar waves to be transmitted by the at least one radar transmitter unit, - a signal processing circuitry that is configured for processing the generated radar waves to be transmitted and the received radar waves, and - a signal evaluation unit that is configured i) to receive processed signals from the signal processing circuitry, ii) to estimate values for a set of predetermined object parameters, including a permittivity of an object from a copolarized ratio of radar power derived from the measurement of the radar waves reflected or scattered by the object, iii) to select an object class that corresponds to a specific predetermined set of object parameters, including the permittivity of the object, out of a plurality of predetermined sets of object parameters from a plurality of predetermined object classes upon detecting a match of the estimated values for the set of object parameters with the specific predetermined set of object parameters, and iv) to provide an information that is indicative of the at least one classified object. - at least one radar transmitter unit that is configured for transmitting radar waves of at least two different polarizations, - at least one radar receiving unit that is configured for receiving radar waves of at least two different polarizations, - a radar signal generating unit that is configured to generate and to provide radar waves to be transmitted by the at least one radar transmitter unit, - a signal processing circuitry that is configured for processing the generated radar waves to be transmitted and the received radar waves, and - a signal evaluation unit that is configured i) to receive processed signals from the signal processing circuitry, ii) to estimate values for a set of predetermined object parameters, including a permittivity of an object from a copolarized ratio of radar power derived from the measurement of the radar waves reflected or scattered by the object, iii) to select an object class that corresponds to a specific predetermined set of object parameters, including the permittivity of the object, out of a plurality of predetermined sets of object parameters from a plurality of predetermined object classes upon detecting a match of the estimated values for the set of object parameters with the specific predetermined set of object parameters, and iv) to provide an information that is indicative of the at least one classified object. i) to receive processed signals from the signal processing circuitry, ii) to estimate values for a set of predetermined object parameters, including a permittivity of an object from a copolarized ratio of radar power derived from the measurement of the radar waves reflected or scattered by the object, iii) to select an object class that corresponds to a specific predetermined set of object parameters, including the permittivity of the object, out of a plurality of predetermined sets of object parameters from a plurality of predetermined object classes upon detecting a match of the estimated values for the set of object parameters with the specific predetermined set of object parameters, and iv) to provide an information that is indicative of the at least one classified object.