[Talk-us] US highway classification

Richard Welty rwelty at averillpark.net
Sun May 29 16:44:56 BST 2011


On 5/29/11 11:37 AM, Anthony wrote:
> On Sun, May 29, 2011 at 10:34 AM, Richard Welty<rwelty at averillpark.net>  wrote:
>> in short: a routing engine will probably use classifications where maxspeed
>> data is missing, but probably only to derive guesstimates of maxspeed
>> values.
> Now that I think about it, that's actually an excellent reason why
> classifications in the US should be by state.  Max speeds vary
> significantly by state, as well as classifications of what roads get
> what speeds.
>
actually, i'd argue that it's an excellent reason to start aggressively
collecting the missing maxspeed data.

richard




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