# Wrong weight limit detection

**URL:** <https://forum.mapillary.com/t/wrong-weight-limit-detection/4058>\
**Category:** Map data and detections\
**Created:** [May 10, 2020, 8:38pm UTC](https://forum.mapillary.com/t/wrong-weight-limit-detection/4058 "2020-05-10T20:38:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Maltis](https://avatars.discourse-cdn.com/v4/letter/m/bbce88/32.png) [@Maltis](https://forum.mapillary.com/u/Maltis)\
**Post date:** [May 10, 2020, 8:38pm UTC](https://forum.mapillary.com/t/wrong-weight-limit-detection/4058/1 "2020-05-10T20:38:39Z")

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Hey everyone,

today I found in one of my sequences an interesting and maybe dangerous false detection of a weight limitation sign.

> **[Mapillary](https://www.mapillary.com/app/?focus=photo&pKey=464556601272340)**
>
> Mapillary is the street-level imagery platform that scales and automates mapping using collaboration, cameras, and computer vision.

also here the same

> **[Mapillary](https://www.mapillary.com/app/?focus=photo&pKey=218362843133546)**
>
> Mapillary is the street-level imagery platform that scales and automates mapping using collaboration, cameras, and computer vision.

The sign shows a 12t (tonns) limit, but the decetion recognize 55t!

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**Author:** ![4004](https://avatars.discourse-cdn.com/v4/letter/4/bbce88/32.png) [@4004](https://forum.mapillary.com/u/4004)\
**Post date:** [May 11, 2020, 9:13pm UTC](https://forum.mapillary.com/t/wrong-weight-limit-detection/4058/2 "2020-05-11T21:13:16Z")

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plenty of false detections, never rely on them blindly

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**Author:** ![jorrarro](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.mapillary.com/jorrarro/32/70811_2.png) [@jorrarro](https://forum.mapillary.com/u/jorrarro)\
**Post date:** [May 13, 2020, 6:56am UTC](https://forum.mapillary.com/t/wrong-weight-limit-detection/4058/3 "2020-05-13T06:56:19Z")

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That 55t is just the generic icon for weight limits.  
List of all types and respective icons is found here:

> **[Mapillary](https://www.mapillary.com/developer/api-documentation/#traffic-signs)**
>
> Street-level imagery, powered by collaboration and computer vision.