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Virtual time study.
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<blockquote data-quote="pretzel_man" data-source="post: 407054" data-attributes="member: 927"><p>I had a chance to see this system and use it a little. If you are looking for an absolutely 100% accurate system, it doesn't exist. The inaccuracies of hills were already mentioned here.</p><p> </p><p>On the other hand, today a time study observer is not 100% accurate either.</p><p> </p><p>When a time study is done, the observer spends 9 or so hours on car, and another few hours calculating the information from the study. With that work, they have analyzed about 150 stops and their associated walk distances.</p><p> </p><p>With this system, they can analyze many hundreds of stops in a few hours. </p><p> </p><p>In the overwhelming majority of cases, the satellite images are extremely accurate. Remember, it is only used to calculate walk distances, not travel path or travel time.</p><p> </p><p>Also, the information is saved and can be reproduced. </p><p> </p><p>I'm not sure why the push back on a system that increases accuracy, reduces management time, and is auditable...</p><p> </p><p>I agree with Tie. If you think this system needs to be approved by the union, you will have to accept the validity of time study. </p><p> </p><p>I would have thought your stance would have been, "let management have all the toys they want, we don't recognize the output of them anyway".</p><p> </p><p>P-Man</p></blockquote><p></p>
[QUOTE="pretzel_man, post: 407054, member: 927"] I had a chance to see this system and use it a little. If you are looking for an absolutely 100% accurate system, it doesn't exist. The inaccuracies of hills were already mentioned here. On the other hand, today a time study observer is not 100% accurate either. When a time study is done, the observer spends 9 or so hours on car, and another few hours calculating the information from the study. With that work, they have analyzed about 150 stops and their associated walk distances. With this system, they can analyze many hundreds of stops in a few hours. In the overwhelming majority of cases, the satellite images are extremely accurate. Remember, it is only used to calculate walk distances, not travel path or travel time. Also, the information is saved and can be reproduced. I'm not sure why the push back on a system that increases accuracy, reduces management time, and is auditable... I agree with Tie. If you think this system needs to be approved by the union, you will have to accept the validity of time study. I would have thought your stance would have been, "let management have all the toys they want, we don't recognize the output of them anyway". P-Man [/QUOTE]
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