Seems to be missing traffic helicopters which are certainly still in use in my region. I live close enough to I-66 to hear them when I happen to be home at rush hour.
I think they also use the data to determine whether or not to permit driving on the shoulder lanes (which are normally rush-hour only, but do get opened up at other times).
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Re: Predicting the future is hard
Date: 2017-07-28 02:27 pm (UTC)I think they also use the data to determine whether or not to permit driving on the shoulder lanes (which are normally rush-hour only, but do get opened up at other times).