[Tagging] Residential roads

Richard Welty rwelty at averillpark.net
Thu Sep 30 13:15:48 BST 2010


  On 9/30/10 7:38 AM, Colin Smale wrote:
>> we as mappers have no control over how the different routing systems
>> select default speeds. we should not be making assumptions about that.
> Also important for routing systems is the "practical speed" for a road.
> Many country roads may have a high legal limit, but for reasons including
> width and curviness you may never achieve anywhere near that in practice.
i have at times wanted this, when i've seen a road that was defaulted to 
55mph
but wasn't practical to travel at more than 40 due to broken pavement, for
example.

richard




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