(17) باب صَلاَةِ الْعَصْرِ فِي السَّفَرِ .
It was narrated from Anas bin Malik that the Prophet (ﷺ) prayed Zuhr in Al-Madinah, four Rak'ahs, and he prayed 'Asr in Dhul-Hulaifah, two Rak'ahs. (ID)
Reference (ID): Sunan an-Nasa'i 477 (ID)
In-book reference (ID): Book 5, Hadith 30 (ID)
English translation (ID): Vol. 1, Book 5, Hadith 478 (ID)