gdt at ir.bbn.com
Fri Jul 29 14:17:44 BST 2011
Nathan Edgars II <neroute2 at gmail.com> writes:
> On 7/29/2011 7:21 AM, Greg Troxel wrote:
>> I think the underlying problem is that there's a big gap between
>> tertiary, which should be a road that really is used to go somewhere and
>> residential, which more or less means a road that you wouldn't care
>> about unless you destination is on or very near it.
>> Here's an example:
>> There are way too many roads marked secondary (most of those are not
>> state highways, or as important as state highways), yet the secondaries
>> are more important than the tertiaries, and the tertiaries are more
>> important than the residentials.
> That looks fine, except for the lack of primaries. You can see how
> I've handled Orlando (obviously there will be differences in older
> cities like Boston-Cambridge):
I don't follow - the only US highway visible is primary, and then a vast
number of roads are tagged as secondary. None of the secondary roads
are so high traffic or important to merit being called primaries.
I'm guessing the primaries that aren't us highways have comparable
importance, and there aren't that many of them, so that seems fine.
(The area I pointed out is a boring residential town that no one would
drive through if they were going more than a few towns.)
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