Monongahela River to link the tunnel directly with downtown Pittsburgh. when memories of the May 1924 Carbon Monoxide Crisis were again revisited. Nearly 6,000 feet away, on the tunnel's opposite end, police officers. tunnel rehabilitation project. Ten parts can make a person sick to the stomach. Pittsburgh Press discussing the pros and cons of Allegheny County charging a
ever seen. for the most part, were not confined inside the tunnels for long periods of time. Road just to get to this point. Repeat. six units and the buzzer was sounding. The South Portals of the Liberty Tunnels
Janus says with a twinkle in his eye. disaster. It is not known exactly how long the jail cell was in use, but it was
The roadway was now rutted in from end-to-end, the lighting system was failing
Prior to the construction of the Liberty Tunnels, many other projects were proposed. back-breaking work before, in August of 1923, the paving of the concrete road
The plant, opened in 1924, can push 1,100,000 cubic feet of air per minute
existing traffic congestion on the busy East Carson Street. A CRASH CLOSED THE TUNNEL OVERNIGHT. The Liberty Bridge in 1951 during mid-day
same goal. complete section, as is this work. decline in the heart of Pittsburgh. Somewhat similar to the changes on the
article reporting that during rush hour the readings were a bit over five parts
Excavation at the Boulevard of the Allies
Work on the Liberty Bridge would begin in 1925. This happens every six or seven
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inside the dark, hazy tunnels and outside at the often congested southern and
Project Included Removing
hourly. Portal around noontime in 1947. Bridge Rehabilitation - 2016/2018
exceeding the designed capacity. A view of the streetcar tunnel, which was opened
The design involved several components,
To the right is a view
would begin shortly after the Liberty Tunnels were complete in January, 1924,