ðˈʌs ðə sˈaɪn ɪz mˌeɪd səfˈɪʃəntli kənspˈɪkjuːəs ænd lˈɛdʒəbəl fɔːɹ ˈædɪkwətli fˈæst ænd ˈækjʊɹət ɹˌɛkəɡnˈɪʃən ænd ɪntˌɜːpɹɪtˈeɪʃən baɪ dɹˈaɪvɚz.
Thus the sign is made sufficiently conspicuous and legible for adequately fast and accurate recognition and interpretation by drivers.