Muwatta Malik· موطأ مالك
Muwatta Malik 331
Can you join dhuhr and asr when travelling?" He said, "Yes, there is no harm…
মুয়াত্তা ইমাম মালিক ৩৩১ · মুয়াত্তা মালিক•Shortening the Prayer
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّهُ سَأَلَ سَالِمَ بْنَ عَبْدِ اللَّهِ هَلْ يُجْمَعُ بَيْنَ الظُّهْرِ وَالْعَصْرِ فِي السَّفَرِ فَقَالَ نَعَمْ لاَ بَأْسَ بِذَلِكَ أَلَمْ تَرَ إِلَى صَلاَةِ النَّاسِ بِعَرَفَةَ
Narrator: Yahya
Yahya related to me from Malik from Ibn Shihab that he had asked Salim ibn Abdullah, "Can you join dhuhr and asr when travelling?" He said, "Yes, there is no harm in that. Haven't you seen the people pray on Arafa?- Salim al-HilaliMaqtu Sahih