"Rabban Jochanan Ben Zaccai sat under the shadow of the Temple, and taught the people the whole day," The Gloss, "When the Temple was a hundred cubits high, it cast its shadow a great way in length, unto that street which was before the Mountain of the House. And because that street was spacious, and might contain a great multitude of men, Jochanan taught there by reason of the heat. For no synagogue could contain his hearers."
That street which was before the mount of the Temple, according to the accustomed form of speech, was that by which they went to the Temple at the east gate; concerning which street, and the people convened thither by Hezekiah, mention is made 2 Chronicles 29:4. This street went out into the valley of Kedron, by the Water-gate. And this way the priest went out, that was to burn the red cow in Olivet. And this way our great High Priest entered with palms and Hosanna. This was called "the Street of the Temple," Ezra 10:9.