Sahih al-Bukhari 2473
Book 46: Oppressions · Narrated by Abu Huraira
Arabic
حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا جَرِيرُ بْنُ حَازِمٍ، عَنِ الزُّبَيْرِ بْنِ خِرِّيتٍ، عَنْ عِكْرِمَةَ، سَمِعْتُ أَبَا هُرَيْرَةَ ـ رضى الله عنه ـ قَالَ قَضَى النَّبِيُّ صلى الله عليه وسلم إِذَا تَشَاجَرُوا فِي الطَّرِيقِ بِسَبْعَةِ أَذْرُعٍ.
English translation
Narrated Abu Huraira:The Prophet (ﷺ) judged that seven cubits should be left as a public way when there was a dispute about the land
Reference: Sahih al-Bukhari 2473, Book of Oppressions. English translation by Dr. Muhammad Muhsin Khan.