How does Waze know when traffic has cleared up?

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How does Waze know when traffic has cleared up?

Postby MDesigner » Wed Oct 03, 2012 3:09 pm

Here's a question I've been pondering over:

Let's say a few people are driving down the street, crawling at 5mph. Waze notices this and marks that street as heavily trafficked. So now Wazers avoid it or are rerouted around that stretch. If that's true, and no one ever drives it.. how does Waze know if traffic has cleared up or not?

Case in point: my wife and I were driving, and saw one particular stretch was very slow moving, according to Waze. We decided to ignore it, and guess what: the street was totally fine.

My issue with Waze is that it sometimes has me taking routes with tons of turns in them, avoiding traffic that might not even be there. How do we combat this issue?
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Re: How does Waze know when traffic has cleared up?

Postby CBenson » Wed Oct 03, 2012 11:38 pm

I believe that the heavy traffic indication times out if it is not confirmed or negated by additional drives. I think the best way to combat the issue is to get more wazers in your area. The more data waze has the better it works.
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Re: How does Waze know when traffic has cleared up?

Postby AggieJM » Thu Oct 04, 2012 3:25 pm

What's the threshold for when Waze will ask the user if they are in traffic? I've seen this pop-up a couple of times when I have been completely stopped on the highway, but never when running in slow traffic.

For example, I hit a stretch of road yesterday that is a 70mph freeway, but it was moving at 15mph. There were no traffic indicators on the road, but I know there were other Wazers on the road at that time. It also never asked me if I were in traffic. I know you can report traffic manually, just wondering how many people actually make that manual report.
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Re: How does Waze know when traffic has cleared up?

Postby CBenson » Thu Oct 04, 2012 4:21 pm

I don't know, but I frequently get the prompt when I'm moving in slow traffic.
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How does Waze know when traffic has cleared up?

Postby Bigbear3764 » Thu Oct 04, 2012 5:13 pm

I don't think you would get the prompt for slow traffic if it is slow every day at the same time. Waze would view that as normal flow.


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Re: How does Waze know when traffic has cleared up?

Postby Trunks30 » Thu Oct 11, 2012 6:46 pm

bigbear3764 wrote:I don't think you would get the prompt for slow traffic if it is slow every day at the same time. Waze would view that as normal flow.


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If this is the case then someone might want to think about reprogramming the roads code. Because the motto of was is outsmarting Traffic, well if waze isn't deeming 15mph on a 70mph road heavy traffic, then how is that outsmarting traffic?

Either way I don't think this is the case, i think the settings on the app just need to be tweaked a little bit more so that it asks you more often. But regardless of whether or not it asks you if there is heavy traffic, once multiple people's phones on that road have automatically reported the average speed, the road should turn the necessary color and post the average speed like I see all the time around here.
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Re: How does Waze know when traffic has cleared up?

Postby weeezer14 » Tue Oct 16, 2012 5:50 pm

Trunks30 wrote:if waze isn't deeming 15mph on a 70mph road heavy traffic, then how is that outsmarting traffic?

If all the other options are going at less than 15mph or taking a faster road will get you to your destination later than if you sat in the traffic, then you are still outsmarting traffic by going 15 in a 70.

It is impossible to avoid ALL traffic and Waze never promises it will avoid all traffic for that reason.
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Re: How does Waze know when traffic has cleared up?

Postby queenbenjii » Mon Nov 05, 2012 3:15 am

Traffic reports have a fade time. If you report heavy traffic, it will last for a while and disappear. If someone likes the report, it will last longer. This is how all reports work.
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Re: How does Waze know when traffic has cleared up?

Postby CBenson » Mon Nov 05, 2012 11:12 am

Yes, but waze routing is based on the automatic traffic data (those that color the road), not the manual reports that last for awhile and disappear.
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Re: How does Waze know when traffic has cleared up?

Postby usnret04 » Thu Jan 03, 2013 1:20 pm

CBenson wrote:Yes, but waze routing is based on the automatic traffic data (those that color the road), not the manual reports that last for awhile and disappear.


This is probably the biggest discrepancy in my area. I often see roads that are very lightly traveled being orange or red. Sometimes no cars at all!

There should be a way for a Wazer to submit an "all clear" notification of some sort.
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