Valmiki Ramayana Ayodhya Kanda Sarga 114 Shloka 24

रामे Rama, विवासिते having been exiled, इदानीम् now, अस्यां पुर्याम् in this city, यानप्रवरघोषश्च clatter of excellent carriages, स्निग्धः pleasant, हयनिस्वनश्च neighing of horses, प्रमत्तगजनादश्च trumpeting of elephants in rut, महान् great, रथनिस्वनः च rattle of chariots, न श्रूयते are not heard.

After Rama's the exile the clatter of excellent carriages, the pleasing neighing of horses and trumpeting of elephants in rut and the rattle of chariots are no longer heard now.