nfitz
Superstar
Interesting. Looking at mapping, it looks like Queen is only 60 feet wide; 66 feet (one chain) is the norm in Toronto. While West Broadway appears to be 85 feet wide.Queen street is a much narrower street than Eglinton or Broadway. The station shafts for entrances and ventilation required full intersection closures at Queen and O'Conner and at Queen and Lyon, and after partial reopening allowed only a single lane, so forcing unidirectional travel.
Cambie is 95-feet wide, so there's plenty of place to work around Broadway–City Hall station. That certainly appears to be the most intensive construction site - the other locations don't even seem to be particularly deep - but that's just judging by standing on the sidewalk, or peering down from the 99-B.
At least on Eglinton, the ROW is very wide, allowing for traffic to continue.