"We prayed Zuhr as four with the Prophet in Al-Madinah, and Asr as two Rak'ah in Dhil-Hulaifah."
Jami` at-Tirmidhi Book 6, Hadith 3
← Previous Hadith "Imran bin Husain was asked about the traveler's prayer. He said: 'I performed Hajj with the Messenger of Allah, and he prayed two Rak'ah. I performed Hajj with Abu Bakr, and he prayed two Rak'ah and with Umar, and he prayed two Rak;ah; and with Uthman for six years of his Khilafah, or eight years, and he prayed two Rak'ah."

Jami` at-Tirmidhi Book 6, Hadith 2 Next Hadith → "The Prophet went from Al-Madinah to Makkah, not fearing anyone except Allah the Lord of the worlds, and he prayed two Rak'ah."

Jami` at-Tirmidhi Book 6, Hadith 4