Work crews have closed a street in Riverdale to repair a massive sinkhole that’s causing traffic delays and TTC detours.Jones Avenue has been closed in both directions at Boultbee Avenue after a large section of the street collapsed at around 7:30 a.m.No injuries were reported.TTC buses are detouring at Gerrard Street East, Greenwood Avenue and Danforth Avenue.It’s not clear when the street will reopen.A huge sinkhole on Jones Avenue in Toronto’s Riverdale area. Adrian Golombek/CityNews.