One Canada Square of the building, designed by Cesar Pelli and Koetter Kim. The extension replaced the stainless steel columns, car parking spaces and road leading to Canada Square. The extension was made to create more retail space at street level, where five tenants were chosen to occupy the space: four restaurants and Lloyds Bank. The extension's roof terrace is open to diners and contains a green roof having sedum moss. The name given to the building by the developers is 'One Canada Square', but it is often incorrectly called 'Canary Wharf Tower' or simply 'Canary Wharf'. The Civil Aviation Authority shows the
Jack London Square through Jack London Square are used by BNSF Railway, Capitol Corridor, Coast Starlight, San Joaquin, and Union Pacific Railroad. The trains share the road with automobiles, AC Transit buses, and pedestrians. The square is a very popular spot for railfans. Jack London Square's most recent changes are adding more businesses, restaurants, and entertainment. Under lead developer Ellis Partners, Jack London Square's new architecture and public spaces are adding to the daytime and nighttime population and use. Recent new components include the 55 Harrison building, a mid-rise by RMW Architects in association with Steve Worthington. The public spaces by SWA Group