ENOfficial
He reported God’s Messenger as saying, “When you disagree about a road its breadth should be made seven cubits.” Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِذَا اخْتَلَفْتُمْ فِي الطَّرِيقِ جُعِلَ عرضه سَبْعَة أَذْرع» . رَوَاهُ مُسلم
sunnah.com