Mark Traffic Patterns

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Re: Mark Traffic Patterns

Postby dmcconachie » Wed Jan 09, 2013 10:09 pm

Use navigation and stop making the decision yourself! This isn't Google Maps.
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Re: Mark Traffic Patterns

Postby wickedlou9 » Wed Jan 09, 2013 10:05 pm

AlanOfTheBerg wrote:Speed limits are only a nice-to-have feature. Waze works with real traffic data, so regardless of what a segment's speed limit may be, Waze works off of what the limit really is at any given time of day. I also would seriously hate to see every single segment on the entire map colored mostly green, with sprinklings of red, orange and yellow. It would be a horrible mess and would be pointless. And actual speed relative to speed limit is a useless data point. What is useful and actionable data, however is actual speed relative to expected speed that time of day.


I'm not sure I agree with this. I can see the argument and it's not without validity but traffic is traffic, even if it's typical for that road at that time of day. If I don't normally travel a road and I see that it's green, I have no expectation that there is "traffic" on that road. Even if I travel the road every day, I would like to know how bad the traffic is.

I drive the same route, pretty much, every day to and from work. It's 50 miles each way. I have two main choices to get to and from work. One is Route 295 and the other is the NJ Turn Pike. 295 is a little shorter but they are both almost the same. the TP is a toll road, 295 is not. The traffic can really vary on the best route ( 295) quite significantly. I don't know what waze thinks is the normal speed at rush hour but if there is traffic I need to know what that means. Sometimes there are traffic "pins" all over the map but waze will report that the road is green. I guess it's because waze knows that there is normally traffic there so it ignores it? So that makes it harder for me to decide which route will be best. The other day I ignored the pins and trusted the red/green and stuck with 295... It took me 2 hours to go 50 miles. Worst commute I have ever had. Normal time is 1 hour. I assume it was because Waze knows there is normally traffic on that road so it didn't alert me?
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Re: Mark Traffic Patterns

Postby CBenson » Mon Jan 07, 2013 6:23 pm

The one thing that would be nice with map colored green with sprinklings of red, orange and yellow, would be the knowledge of which segments have realtime data. Color would mean that the segment has realtime data. I agree that this would not be the best way to disseminate this information, but it would be useful information to me.
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Re: Mark Traffic Patterns

Postby dmcconachie » Mon Jan 07, 2013 6:02 pm

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Re: Mark Traffic Patterns

Postby AlanOfTheBerg » Mon Jan 07, 2013 6:00 pm

Speed limits are only a nice-to-have feature. Waze works with real traffic data, so regardless of what a segment's speed limit may be, Waze works off of what the limit really is at any given time of day. I also would seriously hate to see every single segment on the entire map colored mostly green, with sprinklings of red, orange and yellow. It would be a horrible mess and would be pointless. And actual speed relative to speed limit is a useless data point. What is useful and actionable data, however is actual speed relative to expected speed that time of day.
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Re: Mark Traffic Patterns

Postby mikeholczer » Mon Jan 07, 2013 5:55 pm

Can you suggest a forum post that contains a discussion about the problems of collecting speed limits?
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Re: Mark Traffic Patterns

Postby mikeholczer » Mon Jan 07, 2013 5:31 pm

The coloring needs indicate speed relative to the speed limit.
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Re: Mark Traffic Patterns

Postby dmcconachie » Mon Jan 07, 2013 5:29 pm

Depends what you class as normal. Normal at peak times might be 10mph. I don't want the extra colour because it's superfluous if you're using the app properly and I'd rather it didn't become flooded with a myriad of extra colours!
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Re: Mark Traffic Patterns

Postby mikeholczer » Mon Jan 07, 2013 5:24 pm

dmcconachie wrote:But if it was normal speeds at a time you expect it to be busy then you'd get green for a traffic jam!
Always use navigation and then you don't need to worry what colour the segments are!

Why would it be green when there is a traffic jam? If Waze had live data of it being a traffic jam, it would be red, if Waze had historical data of it being normal speed it would be a green dashes, if Waze had no information it would be grey. If the driver sees green dashes he knows it's historical, so if he has other reason to believe there will be traffic (such as an event was just letting out) he would trust his instinct.

I don't understand how you can think more information, when properly expressed (live vs. historical) could be a bad thing. Knowledge is power.
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Re: Mark Traffic Patterns

Postby dmcconachie » Mon Jan 07, 2013 5:19 pm

But if it was normal speeds at a time you expect it to be busy then you'd get green for a traffic jam!
Always use navigation and then you don't need to worry what colour the segments are!
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