Driveways

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Driveways

Postby mapcat » Tue Aug 06, 2013 2:20 am

This topic suggests that a wiki entry for driveways would be useful (for NA, or universally).

Guidance for driveways as it currently exists (subject to change pending discussion):
- Driveways should always be private roads.
- Don't map private driveways serving single residences or businesses, unless they are at least 50m long.
- Don't map driveways just to make map problems go away.
- Map driveways when they serve multiple residences. Name them according to the street they lead from, and add house numbers for each residence.

Edit 6 Aug: removed business drive-thrus, set minimum length at 50m.
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Re: Driveways

Postby tpainter » Tue Aug 06, 2013 2:38 am

I thought that the previous consensus was that mapping drive throughs was an acceptable way to manage traffic reports and "missing" street errors.

Would more specific guidance be to only map them if an error shows up? Basically no premature mapping.
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Re: Driveways

Postby Bigbear3764 » Tue Aug 06, 2013 3:11 am

tpainter wrote:Would more specific guidance be to only map them if an error shows up? Basically no premature mapping.


Not for System Generated Errors for drive-thrus. We mark them solved and move on.
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Re: Driveways

Postby AlanOfTheBerg » Tue Aug 06, 2013 4:11 am

Thanks for starting this thread.
mapcat wrote:- Don't map private driveways serving single residences or businesses, unless they are especially long (how long?).

I think previously I've posted 50m or greater.
mapcat wrote:- Don't map drive-thrus at fast food, banks, etc.

This is changing. To provide routing off a main road to give proper turn instructions, and to keep traffic speed from being impacted by drive-through users, this is becoming more advisable. However, these are parking lot roads, and not driveways, and should be discussed elsewhere. So let's take this item off the list.
mapcat wrote:- Map driveways when they serve multiple residences. Name them according to the street they lead from, and add house numbers for each residence.

There also needs to be an allowance for two residences which are off the main road, fairly close together, but with separate driveways. Having two visible on-screen with one being the routed-onto one can provide very necessary guidance. These driveways are often parallel to each other for quite a distance and can have a fence between them, making it impossible to cross from one property to the other.
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Re: Driveways

Postby petervdveen » Tue Aug 06, 2013 5:53 am

Some europe feedback.
mapcat wrote:- Driveways should always be private roads.

Or parking lot. Depends what the main function is, I think.
Example
- Don't map private driveways serving single residences or businesses, unless they are especially long (how long?).

I think 40 or 50 meters should be ok.
Map
Don't map
- Don't map drive-thrus at fast food, banks, etc.

Bank drive-thrus?
We do map the MC Donald's drive thru.
https://world.waze.com/editor/?zoom=7&l ... =211403366
- Don't map driveways just to make map problems go away.

Why not? ;-)
- Map driveways when they serve multiple residences. Name them according to the street they lead from, and add house numbers for each residence.

Correct.
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Re: Driveways

Postby ncc1701v » Tue Aug 06, 2013 10:06 am

Driveways that are a bit long and are parallel to a public road, since Waze might think a vehicle in the driveway is on the road.

Driveways that are not roads (not named) but serve multiple residences.
Last edited by ncc1701v on Tue Aug 06, 2013 12:06 pm, edited 1 time in total.
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Re: Driveways

Postby Riamus » Tue Aug 06, 2013 12:00 pm

My thoughts for residential driveways:

Map them as private roads when:
  • The driveway is long -- perhaps double what is a typical distance from the road for a house inside city limits? Not sure of actual length, but that sounds about right to me.
  • The house location is very close to another road without access to that road so that correct directions can be provided. This may go away once we are using entirely internal address mapping using the stop points.
  • The driveway supports more than one house.
  • The driveway is named with an official street sign (not a custom sign).

In addition to residential driveways, all actual roads should be mapped regardless of whether or not they are private. If it's a gated community or even just one that has a posted "private road" street sign, it should be mapped. It doesn't matter if it's a private facility, government facility, or housing subdivision. If it is a road (as opposed to just a driveway), map it.

We'll leave parking lot roads for a separate discussion if needed, though I have to say that I *support* mapping drive-thrus and any parking lot with more than a couple GPS tracks in it, even if it's just a single parking lot road in and nothing else. If there aren't any GPS tracks, then it doesn't need anything in it until/unless we decide to mark all commercial lots somewhere down the road. Traffic problems are an obvious concern and driving in the middle of a white space just looks really amateur. We already have that problem with Street types where you can't see the road you're on.
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Re: Driveways

Postby mapcat » Tue Aug 06, 2013 1:39 pm

ncc1701v wrote:Driveways that are a bit long and are parallel to a public road, since Waze might think a vehicle in the driveway is on the road.

Maybe. How often would that scenario arise? There are many driveways like that, but the likelihood of anyone sitting on one of them often enough to corrupt speed data seems very small.
Riamus wrote:The house location is very close to another road without access to that road so that correct directions can be provided. This may go away once we are using entirely internal address mapping using the stop points.

Not always, since this argument could be used to defend really short driveways in dense developments.
The driveway is named with an official street sign (not a custom sign).

IMO it would cease to be a driveway if it had an official name.
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Re: Driveways

Postby ncc1701v » Tue Aug 06, 2013 1:42 pm

mapcat wrote:
Riamus wrote:The house location is very close to another road without access to that road so that correct directions can be provided. This may go away once we are using entirely internal address mapping using the stop points.

Not always, since this argument could be used to defend really short driveways in dense developments

OK but in any case, put the driveway in if navigation would otherwise be likely to end up on the wrong street. And house numbers won't be accurate everywhere for years.
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Re: Driveways

Postby Riamus » Tue Aug 06, 2013 2:47 pm

About the only time a dense development would be wrong is if there is a road on the front and back of the property. That's not normally the case. In a dense urban environment, you typically have two rows of houses then a road, followed by two rows of houses, followed by a road. If the house number is all of the way into the other property's boundaries behind you, then that's really a problem that needs to be fixed in the address rather than in mapping. The only other way it would get you on the wrong street is when you're at the intersection. And that's not really a problem because you're still right there. The big problem is when you're in the country, where you might have a half mile to a mile (or more) between roads and it drops you off on another road requiring you to drive quite a long distance to find the actual entrance to the property. Yes, it's an issue, but I wouldn't let that drive mapping practices if the problem is with one address being placed in someone else's yard.

A really short residential driveway should never need to be mapped. There may be some situation where it makes sense to mark it. I'd have to see an example of one before I'd say it was okay, though.

As far as named driveways, it is possible in the US to get your driveway officially named for a fee. It still is a driveway, but it now is a named "road". I think these need to be marked because they are now officially named even if it is only for a single house. That's why I included that in the list.
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