[talk-au] off ramp speed limits

John Smith deltafoxtrot256 at gmail.com
Sat Oct 24 05:46:40 BST 2009


2009/10/23 Luke Woolley <lswoolley at gmail.com>:
> I'm not sure about other states, but this is the situation for Victorian
> off-ramps.
>
>
>
> These signs show the advised speed limit. This is not the legal speed limit
> for the ramp. I don't think there is a way to tag advised speed limits yet.
>
>
>
> These signs are put in place about half way between the ramp exit and the
> end of the ramp. This is where the way should be broken into two. So the
> first part of the ramp should have max_speed = 100 and the second part of
> the ramp is to have max_speed=70 for example.
>
> The same thing for onramps but in reverse. The speed limit of the section of
> road in which access to the onramp is required is the speed limit for the
> first section of the onramp, then when a 100, 110 or similar speed limit
> sign is shown, this is where the way is broken into two and the second part
> of the onramp is the freeway speed limit.
>
> If there are no signs on the on/off ramp, then it should stay the same
> max_speed until it reaches a section of a road in which there is a speed
> limit, so the whole offramp would be 100 or 110.
>
> Just my thoughts.

That's more or less what I was thinking, it's not a speed limit unless
there is a speed sign, and advisories if people want to add them need
to be different to max_speed tags...




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