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Seasonal Affected Road Disorder

Post by AlanOfTheBerg
Very similar to Seasonal Affective Disorder (SAD), but SARD relates to roads whose average speed and driveability is very much affected by the season. Waze should look for and track the seasonal road average speeds. In the winter months especially, a road which typically is a great shortcut from one interstate to a town is now very slow because it isn't maintained as well as the indirect interstate route. The indirect route is actually faster based on the other road having a slow average speed in the winter.

http://waze.uservoice.com/forums/59225- ... oad-speeds
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Post by AlanOfTheBerg
fvwazing wrote:This is different behaviour from expecting different speeds based on time of the year!
True and agreed. Consistently more data is what is needed then?
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Post by fvwazing
AFAIK Waze is/has implemented at least partly this idea; if roadspeeds vary by the time of day and by day of the week, one would expect to have the month influence as well. But, where I live, we could well use a calculation based on weather rather then season, as even in winter weeks can go by with nothing worse than a a bit of rain. But WHEN it snows - it should be possible for Waze to detect that from regional driving patterns.

Eg: residential areas are the last to be cleared from snow, the freeways first. So if in a region - say, 50 km in size, ALL rides through simple streets are much slower than usual, something is wrong and it could be the weather. It is different from too much traffic - then, more wazers hit the road, with bad weather it should be fewer... All expected speeds in that area should be significantly slower and ETAs adjusted accordingly. This is different behaviour from expecting different speeds based on time of the year!
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Post by fvwazing
Xactly - I would presume that a scheme like that will not work unless everything is well-wazed (many rides at different times) and the area well populated (many wazers to calculate accurate average speeds from).

Which reminds me... Waze will not "know" that your uncleared shortcut is slow (because of snow) until someone drives it. Probably, it will suggest that road over and over, and only when it is ignored many times (by a driver) it may tend to rank it lower or penalize it higher.
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