Sayyiduna Abu Juhayfah (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) prayed at al-Abtah while in front of him there was a spear, or something resembling it, planted (as a sutrah), and the road and the passers-by were passing behind it.
Hadith Referenceالمعجم الكبير للطبراني / باب الواو / 18462