Khlong Khu Mueang Doem (old moat city canal), or familiarly known as Khlong Lot (tube canal) in the phase near Supreme Court, Atsadang Road (left) and Rachini Road (right).
This road can be considered as one of the oldest roads in Bangkok and as a road around the outer walls of the Grand Palace. Originally, it was only a dirt road and has no official name. Until the King Chulalongkorn (Rama V)'s reign, after the king returned from visiting Java and Singapore and saw the progress of roads in both countries. He ordered improvements in many roads in Bangkok, including this road too.
Its name literally meaning "The Queen's Road" in honour of the Queen Saovabha Phongsri, as she was a regent when the king had visited Europe in 1897.
The road also serves as terminal of BMTA and affiliated bus lines: 2, 25, 33, 47, 60, 64, and 53, 59, 82, 503 on Sanam Luang side.[3]