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Scenic wildly over-estimates duration of rides

For every route I plan on Scenic, the expected duration gets wildly over-estimated. I've attached a screenshot of a route I do regularly. The total distance is 81 km, 95% of the entire route is along a straight 4-lane road, and Scenic estimates the duration to be 1h and 47m (which is an average speed of around 46km/h...). I've done that route dozens of times, and each time I can easily ride it in 60 to 70 minutes (depending on traffic lights) at a leisurely pace without breaking any speed limits.

And that's on a straight route on a fast 4-lane road. It gets it almost ridiculously wrong if I plan a route with curvy roads: the time estimated by Scenic is often more than double compared to what it takes in reality, and I am absolutely not a fast rider.

I understand that duration estimates are not an exact science and highly dependent on circumstances, but the estimates are so far off that they are essentially completely useless, which is a real nuisance mainly when planning routes. I suspect that this may have to do with the fact that I live (and thus ride) in Thailand, and that average speeds and traffic density info for the roads here may be less accurate or even totally missing. In general, the map of Thailand is quite sparse and a lot of info is missing or outdated. Is there anything that can be done about this?

Hi Patrick,

I'm aware of the duration estimates, and working with the map provider to find a solution. You are right that it depends on the region and incomplete or missing speed (limit) data.

The new maps are OSM (Open Street Map) based. There are ways to improve the map. Here's more info on that: https://scenic.app/help/reporting-map-errors/

 

Best regards,
Guido

Aussietraxs has reacted to this post.
Aussietraxs
If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️

Similar issue with an identical route from East Yorkshire to Scotland. Scenic is 235 miles and 7 hours 35 minutes and Garmin basecamp 5 hours 2 minutes.

Garmin times are usually pretty accurate.  I had to reproduce the route in Basecamp as you can't import Scenic *.gpx files into Basecamp the former being necessary because my wife was refusing to travel the more scenic route as 7 1/2 hours was too long to be driving for a 5 hour journey!

I hope the timings can be made more realistic and reliable.

Kevin

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Aussietraxs

I have the same issue in New Zealand. I planned a 260km ride. Scenic said it would take 5.5 hours. It actually took 3.5 hours. That's quite a big difference.

Same here in Australia.  I have to do all route planning in Google Maps to get some idea of the time between stops and then transfer to Scenic.  Tomorrow's ride is showing 6 hrs 18 mins in Scenic and I know we'll get there in about 4 hrs 30 mins.  This really is a problem.  I appreciate it's been a big rewrite but the basic functionality we rely upon has taken a big step backwards.

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Aussietraxs
Quote from oz_djh on 20.01.2025, 02:00

I appreciate it's been a big rewrite but the basic functionality we rely upon has taken a big step backwards.

After doing a test, I can say this has nothing to do with speed limit data with the new map provider.  On a recent ride, the estimate was just totally wrong, as per the attached.  A 51km ride was going to take 69 minutes apparently.  How is that even possible?  That's just over 40 kmph.  It actually took 44 minutes so the estimate was over 50% out.  During the ride I kept an eye on the speed limit and if anything it was over-stated as it didn't know that the speed limit had been reduced in some places.

 

Could you share the link to this route with me?  (Select route in route list, tap 3-dots button top right > share link).

If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️

Thanks Guido for all your hard work and we appreciate your ongoing commitment to the development of Scenic 4.0 and your communication with the users. I have been a user since 2022 so I am familiar with the App and its evolution. I am enjoying the features that version 4 bring, however I have to agree with the above comments regarding Scenic ability to accurately estimate route times. I am planning a 3 day ride with individual routes planned for each day however, each route is over estimating anywhere from 35 - 55%. I am matching the exact route with Google maps and Apple Maps with both of them within 5 minutes of each other. The roads are regional however are common main roads and speed regulated (Australia). The ability for Scenic to accurately estimate route timings is a critical feature when designing multiple routes for a group of riders, especially when planning to meet others at certain destinations. I really hope that this is considered a priority for the next update.

Again, I am very supportive of you and Scenic and wish it all the success it deserves, and on behalf of the riders that thunder down under, thank you.

Definitely a priority. Unfortunately this one is not entirely up to me. It needs to be solved by the map franework provider. But I am in contact with them and chasing up on it.

If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️

Hi Guido and all concerned with Scenic's riding time estimations.

I have commented this issue too already last year.

It is really a pain when planning long trips over a number of days and need fairly correct riding time estimations.

My interim solution now is to export Scenic's files to Kurviger or other providers that can give more realistic data, but that is not the way it should be.

So if the issue is at the map framework provider I kindly ask you to explain and motivate them so they get the a** out of the wagon 🙂 and fix the problem.

 

BR and thank you for your hard work & good luck with "the provider"

A partial solution is coming with the upcoming map update by end of March. A full solution is expected in April / May.

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LaszloKmikearmentanooz_djhAussietraxs
If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️

That’s great news. Yesterday Scenic predicted our arrival at 4h29 and it took 2h51 (103 miles) including a fuel stop and  endless roadworks we encountered.

Hi everyone, I need your help!

The map provider is working on a solution for the route duration overestimation. They are getting close, and want to test the effect of their changes. To do that, they are asking for routes where the overestimation is really clear. I want to provide them with as many routes as possible so that their fix will work in as many scenarios, regions, and roads as possible. Therefore, I'd like to ask the following:

If you find that a route duration is wildly overestimated, could you provide:
- A link to that route in Scenic. To do this select the route from your route list > 3 dots button top right > share link.
- If possible, recreate the route in Google Maps, and copy paste the Google Maps url from your browser address bar.
- Mention the distance of the route, duration in Scenic, and duration in Google Maps.

I know it's a big ask, but if you could find the time, it would really help in getting this nasty bug fixed. If you're not comfortable sharing your route on the forum, feel free to send me a direct email using the email button at the bottom of https://scenic.app/help

Thank you and best regards,
Guido

If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️

Thanks Guido. Here's an example route in Scenic which is 268km and Scenic says this will take 5h 35min.

The Google maps route is here. Google says this is 269km and will take 3h 42min. The ride actually took 3h 23min.

Thanks,
Allistar.

Thanks Guido,

Scenic: Estimated 448k 7hrs 50mins https://scenicapp.space/route/wlDoZdIn

Google: Estimated 447k 5hrs 50mins https://maps.app.goo.gl/wsS8jRGang1dV

Actual ride was 6hrs 10mins.

 

Thank you,

 

 

 

 

Guido has reacted to this post.
Guido

"Quick win" fix applied: https://scenic.app/forum/topic/route-duration-overestimation-send-in-your-examples/#postid-12041

Could you please comment on the thread at this link from now on? I'd prefer to keep this all in one thread.

Karlchen has reacted to this post.
Karlchen
If you're enjoying Scenic and are happy with the support, please leave a nice rating in the App Store. It would mean a lot to me ❤️