[Page update] At Grade Connectors

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[Page update] At Grade Connectors

Postby HandOfMadness » Thu Nov 14, 2013 11:44 pm

I would like to change this page:
https://www.waze.com/wiki/At-Grade_Conn ... _mapped.3F

To remove the bolded section:
Should the connector be mapped?

First and foremost, the need to have the connector mapped needs to be established. As the driver approaches an intersection, Waze has usually given at least one warning that a turn is imminent, and we can assume that the driver is already looking for turn lanes. For most intersections, that is enough to guide the driver into the proper lane and to turn at the proper time; in other words, it is enough that the two roads intersect without separately mapped turning lanes.

There are only a few situations in which connectors are called for in an intersection:

When the turn lane physically separates from the main road well in advance of the intersection
When the turn lane is far enough from the point of intersection on the map (due to the size of the intersection or the angle at which the roads meet) that the driver might overshoot while waiting for a delayed "turn" audible, or that the Waze client might become confused and disrupt navigation
When the area is "busy" enough that the driver may not get any advance warning that a turn is coming up--in which case a connector lets you notify the driver a little earlier
When there are user complaints (update requests) that the audible was too late, or that the map should have shown a connector
When you get an automated report (map problem) that the roads are too far apart due to the intersection being too far from the turn lane


As written, we'd be adding turn lanes to just about any decently sized intersection that uses a mapcat bowtie. I feel the rest of the reasons listed for adding a turn lane cover the times when a turn lane is needed. The MPs about roads being too far apart have too many false positives to be used as a justification by itself to add a turn lane.

Inspired by this thread:
https://www.waze.com/forum/viewtopic.php?f=8&t=69514

[EDIT: Wiki change completed Nov 18, 2013]
Last edited by kentsmith9 on Wed Mar 19, 2014 3:49 am, edited 3 times in total.
Reason: Updated thread title; noted Wiki edit completed
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Re: [Page update] At Grade Connectors

Postby kentsmith9 » Tue Mar 18, 2014 3:30 pm

The section on turn restrictions says:
Wiki currently wrote:In the US, a simple right-turn connector between two 2-way streets, requires that the right turn be restricted at both the primary intersection, and at the connector itself so Waze will not be allowed to tell the driver to turn left across the road to get onto the connector.

This page is designed to be global. I believe other countries can use this same guide if we add the following:
Proposed update wrote:In the US and other countries with [[right-hand traffic]], a simple right-turn connector between two 2-way streets, requires that the right turn be restricted at both the primary intersection, and at the connector itself so Waze will not be allowed to tell the driver to turn left across the road to get onto the connector. For countries with [[left-hand traffic]], the same principal is applied in the opposite direction.


Can anyone think of any other reason why this is currently stated as a US specific issue? If not I will implement the change.
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Re: [Page update] At Grade Connectors

Postby sketch » Tue Mar 18, 2014 3:39 pm

Do other countries use these rules? They make sense with the routing engine, but it's possible they're not the rule in some places, especially the ramp-type exceptions.

Which brings up my next point, but I don't want to overshadow your question, so I'll wait. In the meantime, the page title should be "At-grade connectors" rather than "At-Grade Connectors", and many of the headings should be changed ("Road type", "Naming", "Geometry", "Turn restrictions"; the rest is superfluous).
Last edited by kentsmith9 on Wed Mar 19, 2014 3:50 am, edited 1 time in total.
Reason: Fixed title for future searches
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Re: [Page update] At Grade Connectors

Postby kentsmith9 » Wed Mar 19, 2014 3:48 am

sketch wrote:the page title should be "At-grade connectors" rather than "At-Grade Connectors", and many of the headings should be changed ("Road type", "Naming", "Geometry", "Turn restrictions"; the rest is superfluous).

Absolutely true. The style guide I am working on will show how page names should be created. We are following the Wikipedia style guide and all pages should be sentence caps only, unless it includes a product name. There are a few other exceptions, but yes we should.

When we move pages we have to be careful to also move the links to the page. It helps prevent double redirects in the future.
Last edited by kentsmith9 on Wed Mar 19, 2014 3:50 am, edited 1 time in total.
Reason: Fixed title for future searches
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Re: [Page update] At Grade Connectors

Postby sketch » Wed Mar 19, 2014 3:24 pm

kentsmith9 wrote:When we move pages we have to be careful to also move the links to the page. It helps prevent double redirects in the future.

Indeed, I'm curious about that. Is there a way to tell what links to a certain page?
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Re: [Page update] At Grade Connectors

Postby CBenson » Wed Mar 19, 2014 4:11 pm

Doesn't the "What links here" link in the "Tools" box at the bottom left of each page provide the information.
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Re: [Page update] At Grade Connectors

Postby qwaletee » Wed Mar 19, 2014 4:17 pm

CBenson wrote:Doesn't the "What links here" link in the "Tools" box at the bottom left of each page provide the information.


Yes, it does. Wiki even reminds you to check for such redirects when you do a move.

I just fixed a double-redirect yesterday.

There are also tools we can run to find stragglers, assuming we're still mostly compatible with wikimedia.
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Re: [Page update] At Grade Connectors

Postby sketch » Wed Mar 19, 2014 5:49 pm

Fixing redirects is as simple as modifying the links on the pages that link to the old name, yeah?
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Re: [Page update] At Grade Connectors

Postby kentsmith9 » Thu Mar 20, 2014 1:55 am

qwaletee wrote:
CBenson wrote:Doesn't the "What links here" link in the "Tools" box at the bottom left of each page provide the information.


Yes, it does. Wiki even reminds you to check for such redirects when you do a move.

I just fixed a double-redirect yesterday.

+100!! :ugeek:

qwaletee wrote:There are also tools we can run to find stragglers, assuming we're still mostly compatible with wikimedia.

We should be essentially the same. I have not yet played around with the many tools on our Wiki yet. Let me know how it goes. Actually it would be great to start a thread on external Wiki tools if you check any of them out before me.

sketch wrote:Fixing redirects is as simple as modifying the links on the pages that link to the old name, yeah?

Yes.
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Re: [Page update] At Grade Connectors

Postby sketch » Thu Mar 20, 2014 12:56 pm

Cool, I think I fixed all the redirects to this page. I also added anchors for all the new section names, realizing after the fact that they're now pretty much useless.


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