def METHOD_NAME(self, stream):
    ''' Send this TrafficMessage through the given stream
    Args:
        stream (object): a writable binary file-like object
    '''
    assert (not stream.closed) and stream.writable
    pstr = pickle.dumps(self)
    pstrlen = str(len(pstr)).encode()
    stream.write(pstrlen + b'\n' + pstr)
    stream.flush()