Runway 05/23 will be partially closed from March 28 to April 23 for Phase 1 of the rehabilitation work for the runway. Now underway, Phase 2 of the rehabilitation work will take place from April 24 to May 16 and will include a full closure of Runway 05/23.
This includes removing the existing paved surface (milling), subsurface repair and re-paving. The maintenance work is dependent on weather conditions and timelines may shift to accommodate weather.
Toronto Pearson has taken steps to mitigate impact to the airport operation, including working with airline partners to adjust schedules to maximize use of other runways, but passengers may notice increased delays, especially during periods of inclement weather.