 It starts at the Welcome Rotonda at the boundary of Quezon City and Manila and ends with a Y-intersection with Lerma and Nicanor B. Reyes Sr. Street in Manila.Before becoming what it is today, the boulevard was a part of the Hacienda de Sulucan, one of the ten barrios which formed Sampaloc.In 1694, the hacienda was donated to the sisters of the Monasterio de Santa Clara.