This is standard procedure around Philly. They are not the license plate reading cameras but regular TV cameras watching sections of all the major roadways.
The TV News shows, morning and evening on all the channels have a traffic guy that gets more airtime than the weather guy. They'll cut to him every few minutes at a big board that shows the traffic patterns, the speeds, any accidents, fires or tie ups.
Then they will show the traffic on some of the cameras that are owned by PADoT. Usually they will show at least one of the five bridges coming from New Jersey.
They also give numbers like I-95 North from the Delaware line to Philly Airport, or the Blue Route(I-476) from the Sure-kill (Schuylkill) Expressway down to I-95, will take so many minutes.
It would have to be an accident pretty far out from the city to use the helicopter any more.
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The descent of man ~ Nixon, Friedman, Reagan, Trump.
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