the divide past Adelaide Street). The speed limit is 40 km/h below gerrard st, reduced from 50 km/h. The northernmost part of the street is dominated by a series of hospitals including Toronto General Hospital, Mount Sinai Hospital, the Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, and The Hospital for Sick Children. The concentration of hospitals on this portion of the street has led to it being given the nickname "Hospital Row" by locals and the media. The intersection of University and College is also home to the headquarters of Ontario Power Generation. The rest of the street is home to a variety of corporate offices and government buildings. Historically, this imposing street has been met with mixed reviews. Noted Canadian author and historian Pierre Berton commented that University Avenue "was rendered antiseptic by the presence of hospitals and insurance offices...the pristine display of wall-to-wall concrete that ran from Front Street to Queen's Park." University Avenue has matured and mellowed somewhat since Berton's unfavourable observation, though paving is still characterized by poured concrete and asphalt for most sidewalks and roadway. Restaurants now dot the southern end of University Avenue. The Four Seasons Centre at the intersection of University and Queen Street was completed in 2006 and is the home of the Canadian Opera Company and the National Ballet of Canada. Osgoode Hall presents stately architecture and a welcome green space. During the holiday season, festive lights illuminate the trees and shrubs of the boulevard. Unlike most major streets in Toronto, there are no rooftop billboards visible from University Avenue due to a bylaw. A portion of the University line portion of the Yonge-University-Spadina subway line runs the length of University Avenue. History University Avenue was originally made up of two streets, College Avenue and University Street, and separated by a fence, but it was eventually removed and the streets were merged. The merged street ended at Queen Street until 1931, when it was extended southward to Front Street. After World War Two the avenue was transformed. Trees were cut down and four lanes, in each direction, were devoted to cars and trucks. A central median has some trees, monuments, and park benches, which are lightly used, because strollers are surrounded by noisy traffic. Future In 2020 the city changed how lanes were allocated on University Avenue's pavement. Only two lanes, per direction, were devoted to cars and trucks. A lane