David Groom wrote:
>Sent: 01 September 2008 11:59 PM
>To: [email protected]
>Subject: Re: [OSM-talk] ferry route speed
>
>
>----- Original Message -----
>From: "Gervase Markham" <[EMAIL PROTECTED]>
>To: <[email protected]>
>Sent: Monday, September 01, 2008 9:34 PM
>Subject: Re: [OSM-talk] ferry route speed
>
>
>>
>> David Groom wrote:
>>> When tagging ferry routes is anyone tagging ferry speed, and  if so do
>>> you
>>> simply add maxspeed = ??  to thr route?
>>
>> maxspeed is for speed limits. Unless the coastguard has imposed one,
>> please don't use that tag :-) If it's a particular single route, why not
>> "time" or "duration"?
>
>I have no particular views either way, just that as maxspeed was already in
>use I thought that routing applications would understand it, whereas
>another
>tag such as "time" or duration" would mean routing applications having to
>adapt to this.
>
>Having said that its much easier to know the time a ferry crossing takes
>rather than work out the speed of the crossing

Yes, best not to try to be too smart. If the ferry has a scheduled departure
and arrival time the crossing_duration= should be good enough. The speed can
be worked out by computation in the routing app.

Cheers

Andy


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