Francis Scott Key Bridge collapse in Baltimore...

2009ring said
I rewatched the video and with regards to traffic on the bridge - you can see clearly the headlights of vehicles going in both directions. From what I can tell there were no vehicles on the bridge when it got hit. If they truly got a message sent and the bridge closed down in the 4-5 minutes leading up to the strike, then that is excellent work by USCG and MD DOT or whoever was responsible for it. Bridge appeared empty of traffic at time of impact.
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I have been thinking about how they might have gotten it shut down in time. My guess would be the port has access to the emergency radio that sent out a broadcast to all emergency services which police or highway officials at the ends of the bridge heard and shut it down.