Eight TTC staff were working in the northbound tunnel between Eglinton and Lawrence stations early in the morning on Feb. 7, 2006, according to a Ministry of Labour news release.

The TTC says it will move to install gates at the entrance to a busy streetcar tunnel after yet another motorist strayed into the tunnel and got stuck, holding up two major streetcar routes for hours.

The TTC has been fined $165,000 in a 2006 incident where employees were overcome by carbon monoxide gas in a subway tunnel. On Monday, the TTC pleaded guilty to failing to protect seven subway ...

For sale: four tunnel-boring machines, slightly used, each weighing the equivalent of 280 cars. The TTC is back to shopping the massive machines after a Chinese company withdrew its offer to buy ...

Yet another helpless soul has succumbed to the siren call of the Queens Quay tunnel and gotten their car stuck on the tracks – and the TTC is very much over it. "Enough," tweeted Brad Ross ...

The TTC will pay a fine of more than $200,000 after eight of its maintenance workers were overcome by carbon monoxide fumes in a subway tunnel last year in an incident the transit agency says has ...

In February of 2006, a high-profile carbon-monoxide poisoning incident in a tunnel that made eight workers and four firefighters seriously ill forced the TTC to realize it had a serious problem ...

The TTC says it will look at installing a gate at its Queens Quay tunnel after a car got stuck in the transit passageway for the second time in a week. A man, 24, has been charged with impaired ...

A driver followed a TTC streetcar into the Queens Quay tunnel early Wednesday, making it all the way to Union Station before getting stuck. The SUV entered the tunnel around 2:30 a.m. and drove to ...

A section of the TTC’s Line 1 will be shut down for 10 days on Monday for “important tunnel improvements,” the city said Wednesday. The subway line will close between St. George and St ...